Home / 5,341,790.40-8,012,685.60-1,555,396.80

Finding the Fourth Proportional to 5,341,790.40, 8,012,685.60 and 1,555,396.80

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Solution

The fourth proportional to 5,341,790.40, 8,012,685.60 and 1,555,396.80 is: 2,333,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341,790.40 : 8,012,685.60 = 1,555,396.80 : x
  2. Step 2: Convert to fraction form
    5,341,790.40/8,012,685.60 = 1,555,396.80/x
  3. Step 3: Cross multiply
    5,341,790.40x = 8,012,685.60 × 1,555,396.80
  4. Step 4: Simplify right side
    5,341,790.40x = 12,462,905,541,646.08
  5. Step 5: Solve for x
    x = 12,462,905,541,646.08/5,341,790.40
  6. Step 6: Final answer
    x = 2,333,095.20

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Similar ratio
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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.