Home / 5,186,543.60-7,779,815.40-1,820,750.60

Finding the Fourth Proportional to 5,186,543.60, 7,779,815.40 and 1,820,750.60

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Solution

The fourth proportional to 5,186,543.60, 7,779,815.40 and 1,820,750.60 is: 2,731,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,543.60 : 7,779,815.40 = 1,820,750.60 : x
  2. Step 2: Convert to fraction form
    5,186,543.60/7,779,815.40 = 1,820,750.60/x
  3. Step 3: Cross multiply
    5,186,543.60x = 7,779,815.40 × 1,820,750.60
  4. Step 4: Simplify right side
    5,186,543.60x = 14,165,103,557,439.24
  5. Step 5: Solve for x
    x = 14,165,103,557,439.24/5,186,543.60
  6. Step 6: Final answer
    x = 2,731,125.90

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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.