Home / 1,696,282.38-2,340,887.72-921,913.20

Finding the Fourth Proportional to 1,696,282.38, 2,340,887.72 and 921,913.20

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Solution

The fourth proportional to 1,696,282.38, 2,340,887.72 and 921,913.20 is: 1,272,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,282.38 : 2,340,887.72 = 921,913.20 : x
  2. Step 2: Convert to fraction form
    1,696,282.38/2,340,887.72 = 921,913.20/x
  3. Step 3: Cross multiply
    1,696,282.38x = 2,340,887.72 × 921,913.20
  4. Step 4: Simplify right side
    1,696,282.38x = 2,158,095,284,176.34
  5. Step 5: Solve for x
    x = 2,158,095,284,176.34/1,696,282.38
  6. Step 6: Final answer
    x = 1,272,250.02

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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.