Home / 2,898,971.28-4,000,713.53-1,609,816.73

Finding the Fourth Proportional to 2,898,971.28, 4,000,713.53 and 1,609,816.73

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Solution

The fourth proportional to 2,898,971.28, 4,000,713.53 and 1,609,816.73 is: 2,221,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,971.28 : 4,000,713.53 = 1,609,816.73 : x
  2. Step 2: Convert to fraction form
    2,898,971.28/4,000,713.53 = 1,609,816.73/x
  3. Step 3: Cross multiply
    2,898,971.28x = 4,000,713.53 × 1,609,816.73
  4. Step 4: Simplify right side
    2,898,971.28x = 6,440,415,544,478.71
  5. Step 5: Solve for x
    x = 6,440,415,544,478.71/2,898,971.28
  6. Step 6: Final answer
    x = 2,221,621.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.