Home / 2,768,910.30-4,155,223.05-971,790.30

Finding the Fourth Proportional to 2,768,910.30, 4,155,223.05 and 971,790.30

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Solution

The fourth proportional to 2,768,910.30, 4,155,223.05 and 971,790.30 is: 1,458,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,910.30 : 4,155,223.05 = 971,790.30 : x
  2. Step 2: Convert to fraction form
    2,768,910.30/4,155,223.05 = 971,790.30/x
  3. Step 3: Cross multiply
    2,768,910.30x = 4,155,223.05 × 971,790.30
  4. Step 4: Simplify right side
    2,768,910.30x = 4,038,005,454,326.42
  5. Step 5: Solve for x
    x = 4,038,005,454,326.42/2,768,910.30
  6. Step 6: Final answer
    x = 1,458,337.40

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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.