Home / 2,390,447-3,298,816.92-1,317,359

Finding the Fourth Proportional to 2,390,447, 3,298,816.92 and 1,317,359

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Solution

The fourth proportional to 2,390,447, 3,298,816.92 and 1,317,359 is: 1,817,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,447 : 3,298,816.92 = 1,317,359 : x
  2. Step 2: Convert to fraction form
    2,390,447/3,298,816.92 = 1,317,359/x
  3. Step 3: Cross multiply
    2,390,447x = 3,298,816.92 × 1,317,359
  4. Step 4: Simplify right side
    2,390,447x = 4,345,726,158,914.28
  5. Step 5: Solve for x
    x = 4,345,726,158,914.28/2,390,447
  6. Step 6: Final answer
    x = 1,817,955.45

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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.