Home / 2,666,975.20-4,000,462.80-672,431.20

Finding the Fourth Proportional to 2,666,975.20, 4,000,462.80 and 672,431.20

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Solution

The fourth proportional to 2,666,975.20, 4,000,462.80 and 672,431.20 is: 1,008,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,975.20 : 4,000,462.80 = 672,431.20 : x
  2. Step 2: Convert to fraction form
    2,666,975.20/4,000,462.80 = 672,431.20/x
  3. Step 3: Cross multiply
    2,666,975.20x = 4,000,462.80 × 672,431.20
  4. Step 4: Simplify right side
    2,666,975.20x = 2,690,036,001,159.36
  5. Step 5: Solve for x
    x = 2,690,036,001,159.36/2,666,975.20
  6. Step 6: Final answer
    x = 1,008,646.80

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1.5x scale

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.