Home / 1,940,363.60-2,911,927.80-819,237.20

Finding the Fourth Proportional to 1,940,363.60, 2,911,927.80 and 819,237.20

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Solution

The fourth proportional to 1,940,363.60, 2,911,927.80 and 819,237.20 is: 1,229,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,363.60 : 2,911,927.80 = 819,237.20 : x
  2. Step 2: Convert to fraction form
    1,940,363.60/2,911,927.80 = 819,237.20/x
  3. Step 3: Cross multiply
    1,940,363.60x = 2,911,927.80 × 819,237.20
  4. Step 4: Simplify right side
    1,940,363.60x = 2,385,559,577,474.16
  5. Step 5: Solve for x
    x = 2,385,559,577,474.16/1,940,363.60
  6. Step 6: Final answer
    x = 1,229,439.46

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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.