Home / 3,967,430.40-5,475,057.48-2,156,594.40

Finding the Fourth Proportional to 3,967,430.40, 5,475,057.48 and 2,156,594.40

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Solution

The fourth proportional to 3,967,430.40, 5,475,057.48 and 2,156,594.40 is: 2,976,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967,430.40 : 5,475,057.48 = 2,156,594.40 : x
  2. Step 2: Convert to fraction form
    3,967,430.40/5,475,057.48 = 2,156,594.40/x
  3. Step 3: Cross multiply
    3,967,430.40x = 5,475,057.48 × 2,156,594.40
  4. Step 4: Simplify right side
    3,967,430.40x = 11,807,478,301,046.11
  5. Step 5: Solve for x
    x = 11,807,478,301,046.11/3,967,430.40
  6. Step 6: Final answer
    x = 2,976,102.19

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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.