Home / 2,782,687.04-4,173,826.40-888,920

Finding the Fourth Proportional to 2,782,687.04, 4,173,826.40 and 888,920

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Solution

The fourth proportional to 2,782,687.04, 4,173,826.40 and 888,920 is: 1,333,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,687.04 : 4,173,826.40 = 888,920 : x
  2. Step 2: Convert to fraction form
    2,782,687.04/4,173,826.40 = 888,920/x
  3. Step 3: Cross multiply
    2,782,687.04x = 4,173,826.40 × 888,920
  4. Step 4: Simplify right side
    2,782,687.04x = 3,710,197,763,488
  5. Step 5: Solve for x
    x = 3,710,197,763,488/2,782,687.04
  6. Step 6: Final answer
    x = 1,333,314.78

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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.