Home / 2,943,191.92-4,059,075.90-1,909,681.60

Finding the Fourth Proportional to 2,943,191.92, 4,059,075.90 and 1,909,681.60

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Solution

The fourth proportional to 2,943,191.92, 4,059,075.90 and 1,909,681.60 is: 2,633,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,191.92 : 4,059,075.90 = 1,909,681.60 : x
  2. Step 2: Convert to fraction form
    2,943,191.92/4,059,075.90 = 1,909,681.60/x
  3. Step 3: Cross multiply
    2,943,191.92x = 4,059,075.90 × 1,909,681.60
  4. Step 4: Simplify right side
    2,943,191.92x = 7,751,542,559,233.44
  5. Step 5: Solve for x
    x = 7,751,542,559,233.44/2,943,191.92
  6. Step 6: Final answer
    x = 2,633,719.71

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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.