Home / 7,117,728.91-10,676,554.48-1,726,368.91

Finding the Fourth Proportional to 7,117,728.91, 10,676,554.48 and 1,726,368.91

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Solution

The fourth proportional to 7,117,728.91, 10,676,554.48 and 1,726,368.91 is: 2,589,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,728.91 : 10,676,554.48 = 1,726,368.91 : x
  2. Step 2: Convert to fraction form
    7,117,728.91/10,676,554.48 = 1,726,368.91/x
  3. Step 3: Cross multiply
    7,117,728.91x = 10,676,554.48 × 1,726,368.91
  4. Step 4: Simplify right side
    7,117,728.91x = 18,431,671,695,659.79
  5. Step 5: Solve for x
    x = 18,431,671,695,659.79/7,117,728.91
  6. Step 6: Final answer
    x = 2,589,543.93

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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.