Home / 2,189,483.60-3,284,225.40-1,587,621.20

Finding the Fourth Proportional to 2,189,483.60, 3,284,225.40 and 1,587,621.20

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Solution

The fourth proportional to 2,189,483.60, 3,284,225.40 and 1,587,621.20 is: 2,381,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,483.60 : 3,284,225.40 = 1,587,621.20 : x
  2. Step 2: Convert to fraction form
    2,189,483.60/3,284,225.40 = 1,587,621.20/x
  3. Step 3: Cross multiply
    2,189,483.60x = 3,284,225.40 × 1,587,621.20
  4. Step 4: Simplify right side
    2,189,483.60x = 5,214,105,870,618.48
  5. Step 5: Solve for x
    x = 5,214,105,870,618.48/2,189,483.60
  6. Step 6: Final answer
    x = 2,381,431.80

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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.