Home / 2,156,133.87-3,233,501.15-716,430.69

Finding the Fourth Proportional to 2,156,133.87, 3,233,501.15 and 716,430.69

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Solution

The fourth proportional to 2,156,133.87, 3,233,501.15 and 716,430.69 is: 1,074,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,133.87 : 3,233,501.15 = 716,430.69 : x
  2. Step 2: Convert to fraction form
    2,156,133.87/3,233,501.15 = 716,430.69/x
  3. Step 3: Cross multiply
    2,156,133.87x = 3,233,501.15 × 716,430.69
  4. Step 4: Simplify right side
    2,156,133.87x = 2,316,579,456,428.14
  5. Step 5: Solve for x
    x = 2,316,579,456,428.14/2,156,133.87
  6. Step 6: Final answer
    x = 1,074,413.56

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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.