Home / 2,086,378.02-3,129,567.08-1,139,232.06

Finding the Fourth Proportional to 2,086,378.02, 3,129,567.08 and 1,139,232.06

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Solution

The fourth proportional to 2,086,378.02, 3,129,567.08 and 1,139,232.06 is: 1,708,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,378.02 : 3,129,567.08 = 1,139,232.06 : x
  2. Step 2: Convert to fraction form
    2,086,378.02/3,129,567.08 = 1,139,232.06/x
  3. Step 3: Cross multiply
    2,086,378.02x = 3,129,567.08 × 1,139,232.06
  4. Step 4: Simplify right side
    2,086,378.02x = 3,565,303,145,760.43
  5. Step 5: Solve for x
    x = 3,565,303,145,760.43/2,086,378.02
  6. Step 6: Final answer
    x = 1,708,848.11

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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.