Home / 2,928,581.60-4,041,411.45-1,639,432.58

Finding the Fourth Proportional to 2,928,581.60, 4,041,411.45 and 1,639,432.58

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Solution

The fourth proportional to 2,928,581.60, 4,041,411.45 and 1,639,432.58 is: 2,262,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,581.60 : 4,041,411.45 = 1,639,432.58 : x
  2. Step 2: Convert to fraction form
    2,928,581.60/4,041,411.45 = 1,639,432.58/x
  3. Step 3: Cross multiply
    2,928,581.60x = 4,041,411.45 × 1,639,432.58
  4. Step 4: Simplify right side
    2,928,581.60x = 6,625,621,600,315.04
  5. Step 5: Solve for x
    x = 6,625,621,600,315.04/2,928,581.60
  6. Step 6: Final answer
    x = 2,262,399.52

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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.