Home / 2,157,779.06-2,977,720.43-1,190,909.33

Finding the Fourth Proportional to 2,157,779.06, 2,977,720.43 and 1,190,909.33

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Solution

The fourth proportional to 2,157,779.06, 2,977,720.43 and 1,190,909.33 is: 1,643,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,779.06 : 2,977,720.43 = 1,190,909.33 : x
  2. Step 2: Convert to fraction form
    2,157,779.06/2,977,720.43 = 1,190,909.33/x
  3. Step 3: Cross multiply
    2,157,779.06x = 2,977,720.43 × 1,190,909.33
  4. Step 4: Simplify right side
    2,157,779.06x = 3,546,195,021,375.46
  5. Step 5: Solve for x
    x = 3,546,195,021,375.46/2,157,779.06
  6. Step 6: Final answer
    x = 1,643,446.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.