Home / 2,812,028.16-4,218,042.08-790,190.40

Finding the Fourth Proportional to 2,812,028.16, 4,218,042.08 and 790,190.40

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Solution

The fourth proportional to 2,812,028.16, 4,218,042.08 and 790,190.40 is: 1,185,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,028.16 : 4,218,042.08 = 790,190.40 : x
  2. Step 2: Convert to fraction form
    2,812,028.16/4,218,042.08 = 790,190.40/x
  3. Step 3: Cross multiply
    2,812,028.16x = 4,218,042.08 × 790,190.40
  4. Step 4: Simplify right side
    2,812,028.16x = 3,333,056,358,412.03
  5. Step 5: Solve for x
    x = 3,333,056,358,412.03/2,812,028.16
  6. Step 6: Final answer
    x = 1,185,285.56

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.