Home / 3,326,712.40-4,990,068.60-2,990,133.10

Finding the Fourth Proportional to 3,326,712.40, 4,990,068.60 and 2,990,133.10

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Solution

The fourth proportional to 3,326,712.40, 4,990,068.60 and 2,990,133.10 is: 4,485,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326,712.40 : 4,990,068.60 = 2,990,133.10 : x
  2. Step 2: Convert to fraction form
    3,326,712.40/4,990,068.60 = 2,990,133.10/x
  3. Step 3: Cross multiply
    3,326,712.40x = 4,990,068.60 × 2,990,133.10
  4. Step 4: Simplify right side
    3,326,712.40x = 14,920,969,292,130.66
  5. Step 5: Solve for x
    x = 14,920,969,292,130.66/3,326,712.40
  6. Step 6: Final answer
    x = 4,485,199.65

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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.