Home / 4,655,995.20-6,986,066.40-2,130,350.40

Finding the Fourth Proportional to 4,655,995.20, 6,986,066.40 and 2,130,350.40

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Solution

The fourth proportional to 4,655,995.20, 6,986,066.40 and 2,130,350.40 is: 3,196,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655,995.20 : 6,986,066.40 = 2,130,350.40 : x
  2. Step 2: Convert to fraction form
    4,655,995.20/6,986,066.40 = 2,130,350.40/x
  3. Step 3: Cross multiply
    4,655,995.20x = 6,986,066.40 × 2,130,350.40
  4. Step 4: Simplify right side
    4,655,995.20x = 14,882,769,349,666.56
  5. Step 5: Solve for x
    x = 14,882,769,349,666.56/4,655,995.20
  6. Step 6: Final answer
    x = 3,196,474.38

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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.