Home / 1,913,770.10-2,639,834.88-1,138,881.18

Finding the Fourth Proportional to 1,913,770.10, 2,639,834.88 and 1,138,881.18

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Solution

The fourth proportional to 1,913,770.10, 2,639,834.88 and 1,138,881.18 is: 1,570,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,770.10 : 2,639,834.88 = 1,138,881.18 : x
  2. Step 2: Convert to fraction form
    1,913,770.10/2,639,834.88 = 1,138,881.18/x
  3. Step 3: Cross multiply
    1,913,770.10x = 2,639,834.88 × 1,138,881.18
  4. Step 4: Simplify right side
    1,913,770.10x = 3,006,458,263,139.56
  5. Step 5: Solve for x
    x = 3,006,458,263,139.56/1,913,770.10
  6. Step 6: Final answer
    x = 1,570,961.04

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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.