Home / 1,870,439.76-2,581,070.44-1,054,601.36

Finding the Fourth Proportional to 1,870,439.76, 2,581,070.44 and 1,054,601.36

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Solution

The fourth proportional to 1,870,439.76, 2,581,070.44 and 1,054,601.36 is: 1,455,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,439.76 : 2,581,070.44 = 1,054,601.36 : x
  2. Step 2: Convert to fraction form
    1,870,439.76/2,581,070.44 = 1,054,601.36/x
  3. Step 3: Cross multiply
    1,870,439.76x = 2,581,070.44 × 1,054,601.36
  4. Step 4: Simplify right side
    1,870,439.76x = 2,722,000,396,279.80
  5. Step 5: Solve for x
    x = 2,722,000,396,279.80/1,870,439.76
  6. Step 6: Final answer
    x = 1,455,272.95

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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.