Home / 1,986,041.08-2,740,938.42-1,170,507.34

Finding the Fourth Proportional to 1,986,041.08, 2,740,938.42 and 1,170,507.34

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Solution

The fourth proportional to 1,986,041.08, 2,740,938.42 and 1,170,507.34 is: 1,615,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,041.08 : 2,740,938.42 = 1,170,507.34 : x
  2. Step 2: Convert to fraction form
    1,986,041.08/2,740,938.42 = 1,170,507.34/x
  3. Step 3: Cross multiply
    1,986,041.08x = 2,740,938.42 × 1,170,507.34
  4. Step 4: Simplify right side
    1,986,041.08x = 3,208,288,539,098.00
  5. Step 5: Solve for x
    x = 3,208,288,539,098.00/1,986,041.08
  6. Step 6: Final answer
    x = 1,615,419.02

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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.