Home / 3,145,918.15-4,708,034.56-1,930,688.11

Finding the Fourth Proportional to 3,145,918.15, 4,708,034.56 and 1,930,688.11

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Solution

The fourth proportional to 3,145,918.15, 4,708,034.56 and 1,930,688.11 is: 2,889,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,918.15 : 4,708,034.56 = 1,930,688.11 : x
  2. Step 2: Convert to fraction form
    3,145,918.15/4,708,034.56 = 1,930,688.11/x
  3. Step 3: Cross multiply
    3,145,918.15x = 4,708,034.56 × 1,930,688.11
  4. Step 4: Simplify right side
    3,145,918.15x = 9,089,746,346,461.08
  5. Step 5: Solve for x
    x = 9,089,746,346,461.08/3,145,918.15
  6. Step 6: Final answer
    x = 2,889,377.89

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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.