Home / 3,280,189.60-4,920,284.40-2,013,911.20

Finding the Fourth Proportional to 3,280,189.60, 4,920,284.40 and 2,013,911.20

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Solution

The fourth proportional to 3,280,189.60, 4,920,284.40 and 2,013,911.20 is: 3,020,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,189.60 : 4,920,284.40 = 2,013,911.20 : x
  2. Step 2: Convert to fraction form
    3,280,189.60/4,920,284.40 = 2,013,911.20/x
  3. Step 3: Cross multiply
    3,280,189.60x = 4,920,284.40 × 2,013,911.20
  4. Step 4: Simplify right side
    3,280,189.60x = 9,909,015,860,345.28
  5. Step 5: Solve for x
    x = 9,909,015,860,345.28/3,280,189.60
  6. Step 6: Final answer
    x = 3,020,866.80

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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.