Home / 1,911,648.60-2,862,807.30-913,210.20

Finding the Fourth Proportional to 1,911,648.60, 2,862,807.30 and 913,210.20

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Solution

The fourth proportional to 1,911,648.60, 2,862,807.30 and 913,210.20 is: 1,367,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,648.60 : 2,862,807.30 = 913,210.20 : x
  2. Step 2: Convert to fraction form
    1,911,648.60/2,862,807.30 = 913,210.20/x
  3. Step 3: Cross multiply
    1,911,648.60x = 2,862,807.30 × 913,210.20
  4. Step 4: Simplify right side
    1,911,648.60x = 2,614,344,826,994.46
  5. Step 5: Solve for x
    x = 2,614,344,826,994.46/1,911,648.60
  6. Step 6: Final answer
    x = 1,367,586.50

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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.