Home / 1,811,393.20-2,717,089.80-971,585.20

Finding the Fourth Proportional to 1,811,393.20, 2,717,089.80 and 971,585.20

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Solution

The fourth proportional to 1,811,393.20, 2,717,089.80 and 971,585.20 is: 1,457,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,393.20 : 2,717,089.80 = 971,585.20 : x
  2. Step 2: Convert to fraction form
    1,811,393.20/2,717,089.80 = 971,585.20/x
  3. Step 3: Cross multiply
    1,811,393.20x = 2,717,089.80 × 971,585.20
  4. Step 4: Simplify right side
    1,811,393.20x = 2,639,884,236,750.96
  5. Step 5: Solve for x
    x = 2,639,884,236,750.96/1,811,393.20
  6. Step 6: Final answer
    x = 1,457,377.80

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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.