Home / 5,181,973.51-7,773,956.57-1,986,850.50

Finding the Fourth Proportional to 5,181,973.51, 7,773,956.57 and 1,986,850.50

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Solution

The fourth proportional to 5,181,973.51, 7,773,956.57 and 1,986,850.50 is: 2,980,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,973.51 : 7,773,956.57 = 1,986,850.50 : x
  2. Step 2: Convert to fraction form
    5,181,973.51/7,773,956.57 = 1,986,850.50/x
  3. Step 3: Cross multiply
    5,181,973.51x = 7,773,956.57 × 1,986,850.50
  4. Step 4: Simplify right side
    5,181,973.51x = 15,445,689,498,082.79
  5. Step 5: Solve for x
    x = 15,445,689,498,082.79/5,181,973.51
  6. Step 6: Final answer
    x = 2,980,657.75

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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.