Home / 1,881,143.87-2,595,891.51-1,065,353.40

Finding the Fourth Proportional to 1,881,143.87, 2,595,891.51 and 1,065,353.40

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Solution

The fourth proportional to 1,881,143.87, 2,595,891.51 and 1,065,353.40 is: 1,470,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,143.87 : 2,595,891.51 = 1,065,353.40 : x
  2. Step 2: Convert to fraction form
    1,881,143.87/2,595,891.51 = 1,065,353.40/x
  3. Step 3: Cross multiply
    1,881,143.87x = 2,595,891.51 × 1,065,353.40
  4. Step 4: Simplify right side
    1,881,143.87x = 2,765,541,846,209.63
  5. Step 5: Solve for x
    x = 2,765,541,846,209.63/1,881,143.87
  6. Step 6: Final answer
    x = 1,470,138.41

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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.