Home / 4,001,419.20-5,518,381.92-2,916,220.16

Finding the Fourth Proportional to 4,001,419.20, 5,518,381.92 and 2,916,220.16

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Solution

The fourth proportional to 4,001,419.20, 5,518,381.92 and 2,916,220.16 is: 4,021,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001,419.20 : 5,518,381.92 = 2,916,220.16 : x
  2. Step 2: Convert to fraction form
    4,001,419.20/5,518,381.92 = 2,916,220.16/x
  3. Step 3: Cross multiply
    4,001,419.20x = 5,518,381.92 × 2,916,220.16
  4. Step 4: Simplify right side
    4,001,419.20x = 16,092,816,605,683.51
  5. Step 5: Solve for x
    x = 16,092,816,605,683.51/4,001,419.20
  6. Step 6: Final answer
    x = 4,021,777.22

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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.