Home / 5,681,159.80-7,839,988-3,102,840.68

Finding the Fourth Proportional to 5,681,159.80, 7,839,988 and 3,102,840.68

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Solution

The fourth proportional to 5,681,159.80, 7,839,988 and 3,102,840.68 is: 4,281,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,159.80 : 7,839,988 = 3,102,840.68 : x
  2. Step 2: Convert to fraction form
    5,681,159.80/7,839,988 = 3,102,840.68/x
  3. Step 3: Cross multiply
    5,681,159.80x = 7,839,988 × 3,102,840.68
  4. Step 4: Simplify right side
    5,681,159.80x = 24,326,233,697,111.84
  5. Step 5: Solve for x
    x = 24,326,233,697,111.84/5,681,159.80
  6. Step 6: Final answer
    x = 4,281,913.30

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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.