Home / 2,575,346.40-3,553,981.92-1,429,397.28

Finding the Fourth Proportional to 2,575,346.40, 3,553,981.92 and 1,429,397.28

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Solution

The fourth proportional to 2,575,346.40, 3,553,981.92 and 1,429,397.28 is: 1,972,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,346.40 : 3,553,981.92 = 1,429,397.28 : x
  2. Step 2: Convert to fraction form
    2,575,346.40/3,553,981.92 = 1,429,397.28/x
  3. Step 3: Cross multiply
    2,575,346.40x = 3,553,981.92 × 1,429,397.28
  4. Step 4: Simplify right side
    2,575,346.40x = 5,080,052,089,617.18
  5. Step 5: Solve for x
    x = 5,080,052,089,617.18/2,575,346.40
  6. Step 6: Final answer
    x = 1,972,570.40

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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.