Home / 3,098,330.79-4,275,688.05-1,721,669.10

Finding the Fourth Proportional to 3,098,330.79, 4,275,688.05 and 1,721,669.10

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Solution

The fourth proportional to 3,098,330.79, 4,275,688.05 and 1,721,669.10 is: 2,375,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098,330.79 : 4,275,688.05 = 1,721,669.10 : x
  2. Step 2: Convert to fraction form
    3,098,330.79/4,275,688.05 = 1,721,669.10/x
  3. Step 3: Cross multiply
    3,098,330.79x = 4,275,688.05 × 1,721,669.10
  4. Step 4: Simplify right side
    3,098,330.79x = 7,361,319,996,924.26
  5. Step 5: Solve for x
    x = 7,361,319,996,924.26/3,098,330.79
  6. Step 6: Final answer
    x = 2,375,898.67

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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.