Home / 2,385,645.09-3,290,935.46-1,418,087.13

Finding the Fourth Proportional to 2,385,645.09, 3,290,935.46 and 1,418,087.13

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Solution

The fourth proportional to 2,385,645.09, 3,290,935.46 and 1,418,087.13 is: 1,956,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,645.09 : 3,290,935.46 = 1,418,087.13 : x
  2. Step 2: Convert to fraction form
    2,385,645.09/3,290,935.46 = 1,418,087.13/x
  3. Step 3: Cross multiply
    2,385,645.09x = 3,290,935.46 × 1,418,087.13
  4. Step 4: Simplify right side
    2,385,645.09x = 4,666,833,221,486.63
  5. Step 5: Solve for x
    x = 4,666,833,221,486.63/2,385,645.09
  6. Step 6: Final answer
    x = 1,956,214.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.