Home / 1,817,009.60-2,725,514.40-1,391,856.80

Finding the Fourth Proportional to 1,817,009.60, 2,725,514.40 and 1,391,856.80

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Solution

The fourth proportional to 1,817,009.60, 2,725,514.40 and 1,391,856.80 is: 2,087,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,009.60 : 2,725,514.40 = 1,391,856.80 : x
  2. Step 2: Convert to fraction form
    1,817,009.60/2,725,514.40 = 1,391,856.80/x
  3. Step 3: Cross multiply
    1,817,009.60x = 2,725,514.40 × 1,391,856.80
  4. Step 4: Simplify right side
    1,817,009.60x = 3,793,525,751,137.92
  5. Step 5: Solve for x
    x = 3,793,525,751,137.92/1,817,009.60
  6. Step 6: Final answer
    x = 2,087,785.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.