Home / 2,257,959.40-3,116,019.30-1,239,457

Finding the Fourth Proportional to 2,257,959.40, 3,116,019.30 and 1,239,457

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Solution

The fourth proportional to 2,257,959.40, 3,116,019.30 and 1,239,457 is: 1,710,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,959.40 : 3,116,019.30 = 1,239,457 : x
  2. Step 2: Convert to fraction form
    2,257,959.40/3,116,019.30 = 1,239,457/x
  3. Step 3: Cross multiply
    2,257,959.40x = 3,116,019.30 × 1,239,457
  4. Step 4: Simplify right side
    2,257,959.40x = 3,862,171,933,520.10
  5. Step 5: Solve for x
    x = 3,862,171,933,520.10/2,257,959.40
  6. Step 6: Final answer
    x = 1,710,470.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.