Home / 3,039,267.60-4,558,318.20-909,421.20

Finding the Fourth Proportional to 3,039,267.60, 4,558,318.20 and 909,421.20

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Solution

The fourth proportional to 3,039,267.60, 4,558,318.20 and 909,421.20 is: 1,363,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039,267.60 : 4,558,318.20 = 909,421.20 : x
  2. Step 2: Convert to fraction form
    3,039,267.60/4,558,318.20 = 909,421.20/x
  3. Step 3: Cross multiply
    3,039,267.60x = 4,558,318.20 × 909,421.20
  4. Step 4: Simplify right side
    3,039,267.60x = 4,145,431,207,425.84
  5. Step 5: Solve for x
    x = 4,145,431,207,425.84/3,039,267.60
  6. Step 6: Final answer
    x = 1,363,957.29

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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.