Home / 1,913,974.71-2,641,260.71-1,042,845.68

Finding the Fourth Proportional to 1,913,974.71, 2,641,260.71 and 1,042,845.68

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Solution

The fourth proportional to 1,913,974.71, 2,641,260.71 and 1,042,845.68 is: 1,439,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,974.71 : 2,641,260.71 = 1,042,845.68 : x
  2. Step 2: Convert to fraction form
    1,913,974.71/2,641,260.71 = 1,042,845.68/x
  3. Step 3: Cross multiply
    1,913,974.71x = 2,641,260.71 × 1,042,845.68
  4. Step 4: Simplify right side
    1,913,974.71x = 2,754,427,302,756.70
  5. Step 5: Solve for x
    x = 2,754,427,302,756.70/1,913,974.71
  6. Step 6: Final answer
    x = 1,439,113.74

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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.