Home / 2,139,178.14-2,952,068.38-1,159,116.46

Finding the Fourth Proportional to 2,139,178.14, 2,952,068.38 and 1,159,116.46

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Solution

The fourth proportional to 2,139,178.14, 2,952,068.38 and 1,159,116.46 is: 1,599,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,178.14 : 2,952,068.38 = 1,159,116.46 : x
  2. Step 2: Convert to fraction form
    2,139,178.14/2,952,068.38 = 1,159,116.46/x
  3. Step 3: Cross multiply
    2,139,178.14x = 2,952,068.38 × 1,159,116.46
  4. Step 4: Simplify right side
    2,139,178.14x = 3,421,791,040,025.57
  5. Step 5: Solve for x
    x = 3,421,791,040,025.57/2,139,178.14
  6. Step 6: Final answer
    x = 1,599,582.09

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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.