Home / 1,606,140.45-2,216,435.67-880,981.74

Finding the Fourth Proportional to 1,606,140.45, 2,216,435.67 and 880,981.74

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Solution

The fourth proportional to 1,606,140.45, 2,216,435.67 and 880,981.74 is: 1,215,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,140.45 : 2,216,435.67 = 880,981.74 : x
  2. Step 2: Convert to fraction form
    1,606,140.45/2,216,435.67 = 880,981.74/x
  3. Step 3: Cross multiply
    1,606,140.45x = 2,216,435.67 × 880,981.74
  4. Step 4: Simplify right side
    1,606,140.45x = 1,952,639,353,154.67
  5. Step 5: Solve for x
    x = 1,952,639,353,154.67/1,606,140.45
  6. Step 6: Final answer
    x = 1,215,733.88

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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.