Home / 1,854,278.10-2,781,417.15-1,433,855.70

Finding the Fourth Proportional to 1,854,278.10, 2,781,417.15 and 1,433,855.70

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Solution

The fourth proportional to 1,854,278.10, 2,781,417.15 and 1,433,855.70 is: 2,150,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,278.10 : 2,781,417.15 = 1,433,855.70 : x
  2. Step 2: Convert to fraction form
    1,854,278.10/2,781,417.15 = 1,433,855.70/x
  3. Step 3: Cross multiply
    1,854,278.10x = 2,781,417.15 × 1,433,855.70
  4. Step 4: Simplify right side
    1,854,278.10x = 3,988,150,834,605.26
  5. Step 5: Solve for x
    x = 3,988,150,834,605.26/1,854,278.10
  6. Step 6: Final answer
    x = 2,150,783.55

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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.