Home / 6,119,128.60-9,180,005.10-1,859,727.40

Finding the Fourth Proportional to 6,119,128.60, 9,180,005.10 and 1,859,727.40

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Solution

The fourth proportional to 6,119,128.60, 9,180,005.10 and 1,859,727.40 is: 2,789,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119,128.60 : 9,180,005.10 = 1,859,727.40 : x
  2. Step 2: Convert to fraction form
    6,119,128.60/9,180,005.10 = 1,859,727.40/x
  3. Step 3: Cross multiply
    6,119,128.60x = 9,180,005.10 × 1,859,727.40
  4. Step 4: Simplify right side
    6,119,128.60x = 17,072,307,016,609.74
  5. Step 5: Solve for x
    x = 17,072,307,016,609.74/6,119,128.60
  6. Step 6: Final answer
    x = 2,789,989.90

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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.