Home / 1,738,579.40-2,607,869.10-1,318,675.40

Finding the Fourth Proportional to 1,738,579.40, 2,607,869.10 and 1,318,675.40

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Solution

The fourth proportional to 1,738,579.40, 2,607,869.10 and 1,318,675.40 is: 1,978,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,579.40 : 2,607,869.10 = 1,318,675.40 : x
  2. Step 2: Convert to fraction form
    1,738,579.40/2,607,869.10 = 1,318,675.40/x
  3. Step 3: Cross multiply
    1,738,579.40x = 2,607,869.10 × 1,318,675.40
  4. Step 4: Simplify right side
    1,738,579.40x = 3,438,932,828,590.14
  5. Step 5: Solve for x
    x = 3,438,932,828,590.14/1,738,579.40
  6. Step 6: Final answer
    x = 1,978,013.10

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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.