Home / 2,078,087.10-3,117,130.65-1,368,915.90

Finding the Fourth Proportional to 2,078,087.10, 3,117,130.65 and 1,368,915.90

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Solution

The fourth proportional to 2,078,087.10, 3,117,130.65 and 1,368,915.90 is: 2,053,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,087.10 : 3,117,130.65 = 1,368,915.90 : x
  2. Step 2: Convert to fraction form
    2,078,087.10/3,117,130.65 = 1,368,915.90/x
  3. Step 3: Cross multiply
    2,078,087.10x = 3,117,130.65 × 1,368,915.90
  4. Step 4: Simplify right side
    2,078,087.10x = 4,267,089,709,162.33
  5. Step 5: Solve for x
    x = 4,267,089,709,162.33/2,078,087.10
  6. Step 6: Final answer
    x = 2,053,373.85

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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.