Home / 7,192,187.85-10,792,538-2,646,428.77

Finding the Fourth Proportional to 7,192,187.85, 10,792,538 and 2,646,428.77

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Solution

The fourth proportional to 7,192,187.85, 10,792,538 and 2,646,428.77 is: 3,971,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,187.85 : 10,792,538 = 2,646,428.77 : x
  2. Step 2: Convert to fraction form
    7,192,187.85/10,792,538 = 2,646,428.77/x
  3. Step 3: Cross multiply
    7,192,187.85x = 10,792,538 × 2,646,428.77
  4. Step 4: Simplify right side
    7,192,187.85x = 28,561,683,064,518.26
  5. Step 5: Solve for x
    x = 28,561,683,064,518.26/7,192,187.85
  6. Step 6: Final answer
    x = 3,971,209.27

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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.