Home / 4,393,528.47-6,589,019.72-1,319,395.28

Finding the Fourth Proportional to 4,393,528.47, 6,589,019.72 and 1,319,395.28

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Solution

The fourth proportional to 4,393,528.47, 6,589,019.72 and 1,319,395.28 is: 1,978,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393,528.47 : 6,589,019.72 = 1,319,395.28 : x
  2. Step 2: Convert to fraction form
    4,393,528.47/6,589,019.72 = 1,319,395.28/x
  3. Step 3: Cross multiply
    4,393,528.47x = 6,589,019.72 × 1,319,395.28
  4. Step 4: Simplify right side
    4,393,528.47x = 8,693,521,488,748.31
  5. Step 5: Solve for x
    x = 8,693,521,488,748.31/4,393,528.47
  6. Step 6: Final answer
    x = 1,978,710.63

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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.