Home / 1,545,852.20-2,318,778.30-1,338,492.20

Finding the Fourth Proportional to 1,545,852.20, 2,318,778.30 and 1,338,492.20

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Solution

The fourth proportional to 1,545,852.20, 2,318,778.30 and 1,338,492.20 is: 2,007,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,852.20 : 2,318,778.30 = 1,338,492.20 : x
  2. Step 2: Convert to fraction form
    1,545,852.20/2,318,778.30 = 1,338,492.20/x
  3. Step 3: Cross multiply
    1,545,852.20x = 2,318,778.30 × 1,338,492.20
  4. Step 4: Simplify right side
    1,545,852.20x = 3,103,666,668,079.26
  5. Step 5: Solve for x
    x = 3,103,666,668,079.26/1,545,852.20
  6. Step 6: Final answer
    x = 2,007,738.30

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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.