Home / 2,153,486.07-2,971,290.81-1,418,362.47

Finding the Fourth Proportional to 2,153,486.07, 2,971,290.81 and 1,418,362.47

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Solution

The fourth proportional to 2,153,486.07, 2,971,290.81 and 1,418,362.47 is: 1,956,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,486.07 : 2,971,290.81 = 1,418,362.47 : x
  2. Step 2: Convert to fraction form
    2,153,486.07/2,971,290.81 = 1,418,362.47/x
  3. Step 3: Cross multiply
    2,153,486.07x = 2,971,290.81 × 1,418,362.47
  4. Step 4: Simplify right side
    2,153,486.07x = 4,214,367,372,359.90
  5. Step 5: Solve for x
    x = 4,214,367,372,359.90/2,153,486.07
  6. Step 6: Final answer
    x = 1,956,997.74

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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.