Home / 2,176,140.20-3,264,210.30-1,645,298.60

Finding the Fourth Proportional to 2,176,140.20, 3,264,210.30 and 1,645,298.60

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Solution

The fourth proportional to 2,176,140.20, 3,264,210.30 and 1,645,298.60 is: 2,467,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,140.20 : 3,264,210.30 = 1,645,298.60 : x
  2. Step 2: Convert to fraction form
    2,176,140.20/3,264,210.30 = 1,645,298.60/x
  3. Step 3: Cross multiply
    2,176,140.20x = 3,264,210.30 × 1,645,298.60
  4. Step 4: Simplify right side
    2,176,140.20x = 5,370,600,636,695.58
  5. Step 5: Solve for x
    x = 5,370,600,636,695.58/2,176,140.20
  6. Step 6: Final answer
    x = 2,467,947.90

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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.