Home / 5,250,834.80-7,877,999.40-1,885,305.20

Finding the Fourth Proportional to 5,250,834.80, 7,877,999.40 and 1,885,305.20

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Solution

The fourth proportional to 5,250,834.80, 7,877,999.40 and 1,885,305.20 is: 2,828,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,834.80 : 7,877,999.40 = 1,885,305.20 : x
  2. Step 2: Convert to fraction form
    5,250,834.80/7,877,999.40 = 1,885,305.20/x
  3. Step 3: Cross multiply
    5,250,834.80x = 7,877,999.40 × 1,885,305.20
  4. Step 4: Simplify right side
    5,250,834.80x = 14,852,433,234,416.88
  5. Step 5: Solve for x
    x = 14,852,433,234,416.88/5,250,834.80
  6. Step 6: Final answer
    x = 2,828,585.13

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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.