Home / 2,390,904-3,299,452.92-1,303,187.40

Finding the Fourth Proportional to 2,390,904, 3,299,452.92 and 1,303,187.40

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Solution

The fourth proportional to 2,390,904, 3,299,452.92 and 1,303,187.40 is: 1,798,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,904 : 3,299,452.92 = 1,303,187.40 : x
  2. Step 2: Convert to fraction form
    2,390,904/3,299,452.92 = 1,303,187.40/x
  3. Step 3: Cross multiply
    2,390,904x = 3,299,452.92 × 1,303,187.40
  4. Step 4: Simplify right side
    2,390,904x = 4,299,805,472,237.21
  5. Step 5: Solve for x
    x = 4,299,805,472,237.21/2,390,904
  6. Step 6: Final answer
    x = 1,798,401.56

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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.