Home / 1,870,555.25-2,581,365.12-1,011,115.52

Finding the Fourth Proportional to 1,870,555.25, 2,581,365.12 and 1,011,115.52

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Solution

The fourth proportional to 1,870,555.25, 2,581,365.12 and 1,011,115.52 is: 1,395,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,555.25 : 2,581,365.12 = 1,011,115.52 : x
  2. Step 2: Convert to fraction form
    1,870,555.25/2,581,365.12 = 1,011,115.52/x
  3. Step 3: Cross multiply
    1,870,555.25x = 2,581,365.12 × 1,011,115.52
  4. Step 4: Simplify right side
    1,870,555.25x = 2,610,058,335,618.66
  5. Step 5: Solve for x
    x = 2,610,058,335,618.66/1,870,555.25
  6. Step 6: Final answer
    x = 1,395,338.81

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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.