Home / 5,345,476.40-8,017,796.31-1,507,143.78

Finding the Fourth Proportional to 5,345,476.40, 8,017,796.31 and 1,507,143.78

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Solution

The fourth proportional to 5,345,476.40, 8,017,796.31 and 1,507,143.78 is: 2,260,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345,476.40 : 8,017,796.31 = 1,507,143.78 : x
  2. Step 2: Convert to fraction form
    5,345,476.40/8,017,796.31 = 1,507,143.78/x
  3. Step 3: Cross multiply
    5,345,476.40x = 8,017,796.31 × 1,507,143.78
  4. Step 4: Simplify right side
    5,345,476.40x = 12,083,971,832,271.66
  5. Step 5: Solve for x
    x = 12,083,971,832,271.66/5,345,476.40
  6. Step 6: Final answer
    x = 2,260,597.73

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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.