Home / 1,913,201.07-2,640,267.50-1,042,068.80

Finding the Fourth Proportional to 1,913,201.07, 2,640,267.50 and 1,042,068.80

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Solution

The fourth proportional to 1,913,201.07, 2,640,267.50 and 1,042,068.80 is: 1,438,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,201.07 : 2,640,267.50 = 1,042,068.80 : x
  2. Step 2: Convert to fraction form
    1,913,201.07/2,640,267.50 = 1,042,068.80/x
  3. Step 3: Cross multiply
    1,913,201.07x = 2,640,267.50 × 1,042,068.80
  4. Step 4: Simplify right side
    1,913,201.07x = 2,751,340,371,942.82
  5. Step 5: Solve for x
    x = 2,751,340,371,942.82/1,913,201.07
  6. Step 6: Final answer
    x = 1,438,082.19

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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.