Home / 3,119,908.40-4,678,480.20-1,437,527.60

Finding the Fourth Proportional to 3,119,908.40, 4,678,480.20 and 1,437,527.60

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Solution

The fourth proportional to 3,119,908.40, 4,678,480.20 and 1,437,527.60 is: 2,155,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,908.40 : 4,678,480.20 = 1,437,527.60 : x
  2. Step 2: Convert to fraction form
    3,119,908.40/4,678,480.20 = 1,437,527.60/x
  3. Step 3: Cross multiply
    3,119,908.40x = 4,678,480.20 × 1,437,527.60
  4. Step 4: Simplify right side
    3,119,908.40x = 6,725,444,413,553.52
  5. Step 5: Solve for x
    x = 6,725,444,413,553.52/3,119,908.40
  6. Step 6: Final answer
    x = 2,155,654.45

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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.