Home / 1,689,116.90-2,330,768.32-1,345,822.70

Finding the Fourth Proportional to 1,689,116.90, 2,330,768.32 and 1,345,822.70

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Solution

The fourth proportional to 1,689,116.90, 2,330,768.32 and 1,345,822.70 is: 1,857,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,116.90 : 2,330,768.32 = 1,345,822.70 : x
  2. Step 2: Convert to fraction form
    1,689,116.90/2,330,768.32 = 1,345,822.70/x
  3. Step 3: Cross multiply
    1,689,116.90x = 2,330,768.32 × 1,345,822.70
  4. Step 4: Simplify right side
    1,689,116.90x = 3,136,800,898,478.47
  5. Step 5: Solve for x
    x = 3,136,800,898,478.47/1,689,116.90
  6. Step 6: Final answer
    x = 1,857,065.61

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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.