Home / 3,280,519.90-4,920,779.85-1,845,629.20

Finding the Fourth Proportional to 3,280,519.90, 4,920,779.85 and 1,845,629.20

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Solution

The fourth proportional to 3,280,519.90, 4,920,779.85 and 1,845,629.20 is: 2,768,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,519.90 : 4,920,779.85 = 1,845,629.20 : x
  2. Step 2: Convert to fraction form
    3,280,519.90/4,920,779.85 = 1,845,629.20/x
  3. Step 3: Cross multiply
    3,280,519.90x = 4,920,779.85 × 1,845,629.20
  4. Step 4: Simplify right side
    3,280,519.90x = 9,081,934,977,931.62
  5. Step 5: Solve for x
    x = 9,081,934,977,931.62/3,280,519.90
  6. Step 6: Final answer
    x = 2,768,443.80

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1.5x scale

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.