Home / 1,869,115.12-2,579,381.19-1,009,675.40

Finding the Fourth Proportional to 1,869,115.12, 2,579,381.19 and 1,009,675.40

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Solution

The fourth proportional to 1,869,115.12, 2,579,381.19 and 1,009,675.40 is: 1,393,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,115.12 : 2,579,381.19 = 1,009,675.40 : x
  2. Step 2: Convert to fraction form
    1,869,115.12/2,579,381.19 = 1,009,675.40/x
  3. Step 3: Cross multiply
    1,869,115.12x = 2,579,381.19 × 1,009,675.40
  4. Step 4: Simplify right side
    1,869,115.12x = 2,604,337,734,765.73
  5. Step 5: Solve for x
    x = 2,604,337,734,765.73/1,869,115.12
  6. Step 6: Final answer
    x = 1,393,353.31

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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.