Home / 5,681,146.85-7,839,970.14-3,102,827.75

Finding the Fourth Proportional to 5,681,146.85, 7,839,970.14 and 3,102,827.75

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Solution

The fourth proportional to 5,681,146.85, 7,839,970.14 and 3,102,827.75 is: 4,281,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,146.85 : 7,839,970.14 = 3,102,827.75 : x
  2. Step 2: Convert to fraction form
    5,681,146.85/7,839,970.14 = 3,102,827.75/x
  3. Step 3: Cross multiply
    5,681,146.85x = 7,839,970.14 × 3,102,827.75
  4. Step 4: Simplify right side
    5,681,146.85x = 24,326,076,870,363.54
  5. Step 5: Solve for x
    x = 24,326,076,870,363.54/5,681,146.85
  6. Step 6: Final answer
    x = 4,281,895.46

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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.