Home / 1,631,875.26-2,251,263.32-1,087,480.74

Finding the Fourth Proportional to 1,631,875.26, 2,251,263.32 and 1,087,480.74

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Solution

The fourth proportional to 1,631,875.26, 2,251,263.32 and 1,087,480.74 is: 1,500,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,875.26 : 2,251,263.32 = 1,087,480.74 : x
  2. Step 2: Convert to fraction form
    1,631,875.26/2,251,263.32 = 1,087,480.74/x
  3. Step 3: Cross multiply
    1,631,875.26x = 2,251,263.32 × 1,087,480.74
  4. Step 4: Simplify right side
    1,631,875.26x = 2,448,205,501,168.46
  5. Step 5: Solve for x
    x = 2,448,205,501,168.46/1,631,875.26
  6. Step 6: Final answer
    x = 1,500,240.59

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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.