Home / 2,194,000.80-3,291,001.20-1,998,045.60

Finding the Fourth Proportional to 2,194,000.80, 3,291,001.20 and 1,998,045.60

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Solution

The fourth proportional to 2,194,000.80, 3,291,001.20 and 1,998,045.60 is: 2,997,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194,000.80 : 3,291,001.20 = 1,998,045.60 : x
  2. Step 2: Convert to fraction form
    2,194,000.80/3,291,001.20 = 1,998,045.60/x
  3. Step 3: Cross multiply
    2,194,000.80x = 3,291,001.20 × 1,998,045.60
  4. Step 4: Simplify right side
    2,194,000.80x = 6,575,570,467,254.72
  5. Step 5: Solve for x
    x = 6,575,570,467,254.72/2,194,000.80
  6. Step 6: Final answer
    x = 2,997,068.40

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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.