Home / 5,276,831.60-7,912,882.20-2,080,312.40

Finding the Fourth Proportional to 5,276,831.60, 7,912,882.20 and 2,080,312.40

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Solution

The fourth proportional to 5,276,831.60, 7,912,882.20 and 2,080,312.40 is: 3,119,536.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,831.60 : 7,912,882.20 = 2,080,312.40 : x
  2. Step 2: Convert to fraction form
    5,276,831.60/7,912,882.20 = 2,080,312.40/x
  3. Step 3: Cross multiply
    5,276,831.60x = 7,912,882.20 × 2,080,312.40
  4. Step 4: Simplify right side
    5,276,831.60x = 16,461,266,960,399.28
  5. Step 5: Solve for x
    x = 16,461,266,960,399.28/5,276,831.60
  6. Step 6: Final answer
    x = 3,119,536.16

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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.