Home / 2,176,210.28-3,003,110.28-1,209,315.71

Finding the Fourth Proportional to 2,176,210.28, 3,003,110.28 and 1,209,315.71

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Solution

The fourth proportional to 2,176,210.28, 3,003,110.28 and 1,209,315.71 is: 1,668,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,210.28 : 3,003,110.28 = 1,209,315.71 : x
  2. Step 2: Convert to fraction form
    2,176,210.28/3,003,110.28 = 1,209,315.71/x
  3. Step 3: Cross multiply
    2,176,210.28x = 3,003,110.28 × 1,209,315.71
  4. Step 4: Simplify right side
    2,176,210.28x = 3,631,708,425,450.95
  5. Step 5: Solve for x
    x = 3,631,708,425,450.95/2,176,210.28
  6. Step 6: Final answer
    x = 1,668,822.39

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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.