Home / 7,181,870.79-10,772,010.41-2,570,672.87

Finding the Fourth Proportional to 7,181,870.79, 10,772,010.41 and 2,570,672.87

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Solution

The fourth proportional to 7,181,870.79, 10,772,010.41 and 2,570,672.87 is: 3,855,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,870.79 : 10,772,010.41 = 2,570,672.87 : x
  2. Step 2: Convert to fraction form
    7,181,870.79/10,772,010.41 = 2,570,672.87/x
  3. Step 3: Cross multiply
    7,181,870.79x = 10,772,010.41 × 2,570,672.87
  4. Step 4: Simplify right side
    7,181,870.79x = 27,691,314,849,631.16
  5. Step 5: Solve for x
    x = 27,691,314,849,631.16/7,181,870.79
  6. Step 6: Final answer
    x = 3,855,724.46

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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.