Home / 2,980,348.62-4,471,189.55-1,087,090.05

Finding the Fourth Proportional to 2,980,348.62, 4,471,189.55 and 1,087,090.05

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Solution

The fourth proportional to 2,980,348.62, 4,471,189.55 and 1,087,090.05 is: 1,630,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,348.62 : 4,471,189.55 = 1,087,090.05 : x
  2. Step 2: Convert to fraction form
    2,980,348.62/4,471,189.55 = 1,087,090.05/x
  3. Step 3: Cross multiply
    2,980,348.62x = 4,471,189.55 × 1,087,090.05
  4. Step 4: Simplify right side
    2,980,348.62x = 4,860,585,671,468.98
  5. Step 5: Solve for x
    x = 4,860,585,671,468.98/2,980,348.62
  6. Step 6: Final answer
    x = 1,630,878.23

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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.