Home / 1,941,195.60-2,911,793.40-742,500.90

Finding the Fourth Proportional to 1,941,195.60, 2,911,793.40 and 742,500.90

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Solution

The fourth proportional to 1,941,195.60, 2,911,793.40 and 742,500.90 is: 1,113,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,195.60 : 2,911,793.40 = 742,500.90 : x
  2. Step 2: Convert to fraction form
    1,941,195.60/2,911,793.40 = 742,500.90/x
  3. Step 3: Cross multiply
    1,941,195.60x = 2,911,793.40 × 742,500.90
  4. Step 4: Simplify right side
    1,941,195.60x = 2,162,009,220,114.06
  5. Step 5: Solve for x
    x = 2,162,009,220,114.06/1,941,195.60
  6. Step 6: Final answer
    x = 1,113,751.35

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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.