Home / 2,891,975.40-3,990,926.46-1,602,898.92

Finding the Fourth Proportional to 2,891,975.40, 3,990,926.46 and 1,602,898.92

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Solution

The fourth proportional to 2,891,975.40, 3,990,926.46 and 1,602,898.92 is: 2,212,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,975.40 : 3,990,926.46 = 1,602,898.92 : x
  2. Step 2: Convert to fraction form
    2,891,975.40/3,990,926.46 = 1,602,898.92/x
  3. Step 3: Cross multiply
    2,891,975.40x = 3,990,926.46 × 1,602,898.92
  4. Step 4: Simplify right side
    2,891,975.40x = 6,397,051,712,533.42
  5. Step 5: Solve for x
    x = 6,397,051,712,533.42/2,891,975.40
  6. Step 6: Final answer
    x = 2,212,000.74

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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.