Home / 5,140,445.04-7,708,140.36-2,106,988.56

Finding the Fourth Proportional to 5,140,445.04, 7,708,140.36 and 2,106,988.56

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Solution

The fourth proportional to 5,140,445.04, 7,708,140.36 and 2,106,988.56 is: 3,159,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,445.04 : 7,708,140.36 = 2,106,988.56 : x
  2. Step 2: Convert to fraction form
    5,140,445.04/7,708,140.36 = 2,106,988.56/x
  3. Step 3: Cross multiply
    5,140,445.04x = 7,708,140.36 × 2,106,988.56
  4. Step 4: Simplify right side
    5,140,445.04x = 16,240,963,557,394.28
  5. Step 5: Solve for x
    x = 16,240,963,557,394.28/5,140,445.04
  6. Step 6: Final answer
    x = 3,159,446.98

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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.