Home / 2,390,701.28-3,299,071.53-1,302,949.45

Finding the Fourth Proportional to 2,390,701.28, 3,299,071.53 and 1,302,949.45

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Solution

The fourth proportional to 2,390,701.28, 3,299,071.53 and 1,302,949.45 is: 1,798,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,701.28 : 3,299,071.53 = 1,302,949.45 : x
  2. Step 2: Convert to fraction form
    2,390,701.28/3,299,071.53 = 1,302,949.45/x
  3. Step 3: Cross multiply
    2,390,701.28x = 3,299,071.53 × 1,302,949.45
  4. Step 4: Simplify right side
    2,390,701.28x = 4,298,523,427,276.48
  5. Step 5: Solve for x
    x = 4,298,523,427,276.48/2,390,701.28
  6. Step 6: Final answer
    x = 1,798,017.79

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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.