Home / 1,912,925.58-2,639,805.40-1,053,565.80

Finding the Fourth Proportional to 1,912,925.58, 2,639,805.40 and 1,053,565.80

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Solution

The fourth proportional to 1,912,925.58, 2,639,805.40 and 1,053,565.80 is: 1,453,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,925.58 : 2,639,805.40 = 1,053,565.80 : x
  2. Step 2: Convert to fraction form
    1,912,925.58/2,639,805.40 = 1,053,565.80/x
  3. Step 3: Cross multiply
    1,912,925.58x = 2,639,805.40 × 1,053,565.80
  4. Step 4: Simplify right side
    1,912,925.58x = 2,781,208,669,628.46
  5. Step 5: Solve for x
    x = 2,781,208,669,628.46/1,912,925.58
  6. Step 6: Final answer
    x = 1,453,903.23

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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.