Home / 3,219,564.60-4,829,346.90-2,155,807.80

Finding the Fourth Proportional to 3,219,564.60, 4,829,346.90 and 2,155,807.80

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Solution

The fourth proportional to 3,219,564.60, 4,829,346.90 and 2,155,807.80 is: 3,233,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,564.60 : 4,829,346.90 = 2,155,807.80 : x
  2. Step 2: Convert to fraction form
    3,219,564.60/4,829,346.90 = 2,155,807.80/x
  3. Step 3: Cross multiply
    3,219,564.60x = 4,829,346.90 × 2,155,807.80
  4. Step 4: Simplify right side
    3,219,564.60x = 10,411,143,715,925.82
  5. Step 5: Solve for x
    x = 10,411,143,715,925.82/3,219,564.60
  6. Step 6: Final answer
    x = 3,233,711.70

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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.