Home / 2,415,622.40-3,619,059.60-1,913,487.20

Finding the Fourth Proportional to 2,415,622.40, 3,619,059.60 and 1,913,487.20

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Solution

The fourth proportional to 2,415,622.40, 3,619,059.60 and 1,913,487.20 is: 2,866,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,622.40 : 3,619,059.60 = 1,913,487.20 : x
  2. Step 2: Convert to fraction form
    2,415,622.40/3,619,059.60 = 1,913,487.20/x
  3. Step 3: Cross multiply
    2,415,622.40x = 3,619,059.60 × 1,913,487.20
  4. Step 4: Simplify right side
    2,415,622.40x = 6,925,024,220,637.12
  5. Step 5: Solve for x
    x = 6,925,024,220,637.12/2,415,622.40
  6. Step 6: Final answer
    x = 2,866,766.02

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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.