Home / 3,215,055.40-4,820,831.10-970,901.80

Finding the Fourth Proportional to 3,215,055.40, 4,820,831.10 and 970,901.80

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Solution

The fourth proportional to 3,215,055.40, 4,820,831.10 and 970,901.80 is: 1,455,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,055.40 : 4,820,831.10 = 970,901.80 : x
  2. Step 2: Convert to fraction form
    3,215,055.40/4,820,831.10 = 970,901.80/x
  3. Step 3: Cross multiply
    3,215,055.40x = 4,820,831.10 × 970,901.80
  4. Step 4: Simplify right side
    3,215,055.40x = 4,680,553,592,485.98
  5. Step 5: Solve for x
    x = 4,680,553,592,485.98/3,215,055.40
  6. Step 6: Final answer
    x = 1,455,823.62

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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.