Home / 2,915,579.60-4,371,814.20-1,230,779.60

Finding the Fourth Proportional to 2,915,579.60, 4,371,814.20 and 1,230,779.60

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Solution

The fourth proportional to 2,915,579.60, 4,371,814.20 and 1,230,779.60 is: 1,845,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,579.60 : 4,371,814.20 = 1,230,779.60 : x
  2. Step 2: Convert to fraction form
    2,915,579.60/4,371,814.20 = 1,230,779.60/x
  3. Step 3: Cross multiply
    2,915,579.60x = 4,371,814.20 × 1,230,779.60
  4. Step 4: Simplify right side
    2,915,579.60x = 5,380,739,732,350.32
  5. Step 5: Solve for x
    x = 5,380,739,732,350.32/2,915,579.60
  6. Step 6: Final answer
    x = 1,845,512.89

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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.