Home / 1,870,815.40-2,807,049.30-910,738.60

Finding the Fourth Proportional to 1,870,815.40, 2,807,049.30 and 910,738.60

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Solution

The fourth proportional to 1,870,815.40, 2,807,049.30 and 910,738.60 is: 1,366,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,815.40 : 2,807,049.30 = 910,738.60 : x
  2. Step 2: Convert to fraction form
    1,870,815.40/2,807,049.30 = 910,738.60/x
  3. Step 3: Cross multiply
    1,870,815.40x = 2,807,049.30 × 910,738.60
  4. Step 4: Simplify right side
    1,870,815.40x = 2,556,488,149,612.98
  5. Step 5: Solve for x
    x = 2,556,488,149,612.98/1,870,815.40
  6. Step 6: Final answer
    x = 1,366,510.11

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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.