Home / 2,686,614.60-4,032,125.10-2,665,619.40

Finding the Fourth Proportional to 2,686,614.60, 4,032,125.10 and 2,665,619.40

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Solution

The fourth proportional to 2,686,614.60, 4,032,125.10 and 2,665,619.40 is: 4,000,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,614.60 : 4,032,125.10 = 2,665,619.40 : x
  2. Step 2: Convert to fraction form
    2,686,614.60/4,032,125.10 = 2,665,619.40/x
  3. Step 3: Cross multiply
    2,686,614.60x = 4,032,125.10 × 2,665,619.40
  4. Step 4: Simplify right side
    2,686,614.60x = 10,748,110,889,786.94
  5. Step 5: Solve for x
    x = 10,748,110,889,786.94/2,686,614.60
  6. Step 6: Final answer
    x = 4,000,615.08

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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.