Home / 4,128,001.60-6,178,005.60-3,624,116.80

Finding the Fourth Proportional to 4,128,001.60, 6,178,005.60 and 3,624,116.80

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Solution

The fourth proportional to 4,128,001.60, 6,178,005.60 and 3,624,116.80 is: 5,423,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,001.60 : 6,178,005.60 = 3,624,116.80 : x
  2. Step 2: Convert to fraction form
    4,128,001.60/6,178,005.60 = 3,624,116.80/x
  3. Step 3: Cross multiply
    4,128,001.60x = 6,178,005.60 × 3,624,116.80
  4. Step 4: Simplify right side
    4,128,001.60x = 22,389,813,885,454.08
  5. Step 5: Solve for x
    x = 22,389,813,885,454.08/4,128,001.60
  6. Step 6: Final answer
    x = 5,423,886.92

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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.