Home / 6,428,771.73-9,643,211.67-1,636,461.81

Finding the Fourth Proportional to 6,428,771.73, 9,643,211.67 and 1,636,461.81

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Solution

The fourth proportional to 6,428,771.73, 9,643,211.67 and 1,636,461.81 is: 2,454,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,771.73 : 9,643,211.67 = 1,636,461.81 : x
  2. Step 2: Convert to fraction form
    6,428,771.73/9,643,211.67 = 1,636,461.81/x
  3. Step 3: Cross multiply
    6,428,771.73x = 9,643,211.67 × 1,636,461.81
  4. Step 4: Simplify right side
    6,428,771.73x = 15,780,747,643,718.20
  5. Step 5: Solve for x
    x = 15,780,747,643,718.20/6,428,771.73
  6. Step 6: Final answer
    x = 2,454,706.48

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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.