Home / 3,119,277.60-4,678,916.40-2,930,320.80

Finding the Fourth Proportional to 3,119,277.60, 4,678,916.40 and 2,930,320.80

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Solution

The fourth proportional to 3,119,277.60, 4,678,916.40 and 2,930,320.80 is: 4,395,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,277.60 : 4,678,916.40 = 2,930,320.80 : x
  2. Step 2: Convert to fraction form
    3,119,277.60/4,678,916.40 = 2,930,320.80/x
  3. Step 3: Cross multiply
    3,119,277.60x = 4,678,916.40 × 2,930,320.80
  4. Step 4: Simplify right side
    3,119,277.60x = 13,710,726,048,381.12
  5. Step 5: Solve for x
    x = 13,710,726,048,381.12/3,119,277.60
  6. Step 6: Final answer
    x = 4,395,481.20

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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.