Home / 1,927,409.28-2,889,079.44-646,802.55

Finding the Fourth Proportional to 1,927,409.28, 2,889,079.44 and 646,802.55

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Solution

The fourth proportional to 1,927,409.28, 2,889,079.44 and 646,802.55 is: 969,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,409.28 : 2,889,079.44 = 646,802.55 : x
  2. Step 2: Convert to fraction form
    1,927,409.28/2,889,079.44 = 646,802.55/x
  3. Step 3: Cross multiply
    1,927,409.28x = 2,889,079.44 × 646,802.55
  4. Step 4: Simplify right side
    1,927,409.28x = 1,868,663,948,944.57
  5. Step 5: Solve for x
    x = 1,868,663,948,944.57/1,927,409.28
  6. Step 6: Final answer
    x = 969,521.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.