Home / 1,689,680.53-2,518,264.52-1,662,776.79

Finding the Fourth Proportional to 1,689,680.53, 2,518,264.52 and 1,662,776.79

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Solution

The fourth proportional to 1,689,680.53, 2,518,264.52 and 1,662,776.79 is: 2,478,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,680.53 : 2,518,264.52 = 1,662,776.79 : x
  2. Step 2: Convert to fraction form
    1,689,680.53/2,518,264.52 = 1,662,776.79/x
  3. Step 3: Cross multiply
    1,689,680.53x = 2,518,264.52 × 1,662,776.79
  4. Step 4: Simplify right side
    1,689,680.53x = 4,187,311,782,345.17
  5. Step 5: Solve for x
    x = 4,187,311,782,345.17/1,689,680.53
  6. Step 6: Final answer
    x = 2,478,167.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.