Home / 1,913,059.34-2,640,141.28-1,053,619.36

Finding the Fourth Proportional to 1,913,059.34, 2,640,141.28 and 1,053,619.36

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Solution

The fourth proportional to 1,913,059.34, 2,640,141.28 and 1,053,619.36 is: 1,454,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,059.34 : 2,640,141.28 = 1,053,619.36 : x
  2. Step 2: Convert to fraction form
    1,913,059.34/2,640,141.28 = 1,053,619.36/x
  3. Step 3: Cross multiply
    1,913,059.34x = 2,640,141.28 × 1,053,619.36
  4. Step 4: Simplify right side
    1,913,059.34x = 2,781,703,965,743.18
  5. Step 5: Solve for x
    x = 2,781,703,965,743.18/1,913,059.34
  6. Step 6: Final answer
    x = 1,454,060.47

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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.