Home / 1,941,432.90-2,912,149.35-1,831,208.10

Finding the Fourth Proportional to 1,941,432.90, 2,912,149.35 and 1,831,208.10

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Solution

The fourth proportional to 1,941,432.90, 2,912,149.35 and 1,831,208.10 is: 2,746,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,432.90 : 2,912,149.35 = 1,831,208.10 : x
  2. Step 2: Convert to fraction form
    1,941,432.90/2,912,149.35 = 1,831,208.10/x
  3. Step 3: Cross multiply
    1,941,432.90x = 2,912,149.35 × 1,831,208.10
  4. Step 4: Simplify right side
    1,941,432.90x = 5,332,751,478,129.74
  5. Step 5: Solve for x
    x = 5,332,751,478,129.74/1,941,432.90
  6. Step 6: Final answer
    x = 2,746,812.15

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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.