Home / 3,901,713.93-5,384,325.56-2,159,386.70

Finding the Fourth Proportional to 3,901,713.93, 5,384,325.56 and 2,159,386.70

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Solution

The fourth proportional to 3,901,713.93, 5,384,325.56 and 2,159,386.70 is: 2,979,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,713.93 : 5,384,325.56 = 2,159,386.70 : x
  2. Step 2: Convert to fraction form
    3,901,713.93/5,384,325.56 = 2,159,386.70/x
  3. Step 3: Cross multiply
    3,901,713.93x = 5,384,325.56 × 2,159,386.70
  4. Step 4: Simplify right side
    3,901,713.93x = 11,626,840,987,730.88
  5. Step 5: Solve for x
    x = 11,626,840,987,730.88/3,901,713.93
  6. Step 6: Final answer
    x = 2,979,931.69

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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.