Home / 5,718,988.04-7,890,230.45-3,655,211.60

Finding the Fourth Proportional to 5,718,988.04, 7,890,230.45 and 3,655,211.60

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Solution

The fourth proportional to 5,718,988.04, 7,890,230.45 and 3,655,211.60 is: 5,042,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,988.04 : 7,890,230.45 = 3,655,211.60 : x
  2. Step 2: Convert to fraction form
    5,718,988.04/7,890,230.45 = 3,655,211.60/x
  3. Step 3: Cross multiply
    5,718,988.04x = 7,890,230.45 × 3,655,211.60
  4. Step 4: Simplify right side
    5,718,988.04x = 28,840,461,896,376.82
  5. Step 5: Solve for x
    x = 28,840,461,896,376.82/5,718,988.04
  6. Step 6: Final answer
    x = 5,042,930.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.