Home / 1,671,223.32-2,308,187.61-1,126,420.02

Finding the Fourth Proportional to 1,671,223.32, 2,308,187.61 and 1,126,420.02

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Solution

The fourth proportional to 1,671,223.32, 2,308,187.61 and 1,126,420.02 is: 1,555,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,223.32 : 2,308,187.61 = 1,126,420.02 : x
  2. Step 2: Convert to fraction form
    1,671,223.32/2,308,187.61 = 1,126,420.02/x
  3. Step 3: Cross multiply
    1,671,223.32x = 2,308,187.61 × 1,126,420.02
  4. Step 4: Simplify right side
    1,671,223.32x = 2,599,988,733,819.95
  5. Step 5: Solve for x
    x = 2,599,988,733,819.95/1,671,223.32
  6. Step 6: Final answer
    x = 1,555,739.86

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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.