Home / 1,913,387.63-2,640,474.93-1,053,945.23

Finding the Fourth Proportional to 1,913,387.63, 2,640,474.93 and 1,053,945.23

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Solution

The fourth proportional to 1,913,387.63, 2,640,474.93 and 1,053,945.23 is: 1,454,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,387.63 : 2,640,474.93 = 1,053,945.23 : x
  2. Step 2: Convert to fraction form
    1,913,387.63/2,640,474.93 = 1,053,945.23/x
  3. Step 3: Cross multiply
    1,913,387.63x = 2,640,474.93 × 1,053,945.23
  4. Step 4: Simplify right side
    1,913,387.63x = 2,782,915,944,205.71
  5. Step 5: Solve for x
    x = 2,782,915,944,205.71/1,913,387.63
  6. Step 6: Final answer
    x = 1,454,444.41

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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.