Home / 1,549,154.25-2,138,033.34-870,090.75

Finding the Fourth Proportional to 1,549,154.25, 2,138,033.34 and 870,090.75

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Solution

The fourth proportional to 1,549,154.25, 2,138,033.34 and 870,090.75 is: 1,200,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,154.25 : 2,138,033.34 = 870,090.75 : x
  2. Step 2: Convert to fraction form
    1,549,154.25/2,138,033.34 = 870,090.75/x
  3. Step 3: Cross multiply
    1,549,154.25x = 2,138,033.34 × 870,090.75
  4. Step 4: Simplify right side
    1,549,154.25x = 1,860,283,032,325.61
  5. Step 5: Solve for x
    x = 1,860,283,032,325.61/1,549,154.25
  6. Step 6: Final answer
    x = 1,200,837.83

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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.