Home / 1,696,271.52-2,340,872.76-921,902.42

Finding the Fourth Proportional to 1,696,271.52, 2,340,872.76 and 921,902.42

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Solution

The fourth proportional to 1,696,271.52, 2,340,872.76 and 921,902.42 is: 1,272,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,271.52 : 2,340,872.76 = 921,902.42 : x
  2. Step 2: Convert to fraction form
    1,696,271.52/2,340,872.76 = 921,902.42/x
  3. Step 3: Cross multiply
    1,696,271.52x = 2,340,872.76 × 921,902.42
  4. Step 4: Simplify right side
    1,696,271.52x = 2,158,056,262,356.08
  5. Step 5: Solve for x
    x = 2,158,056,262,356.08/1,696,271.52
  6. Step 6: Final answer
    x = 1,272,235.16

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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.