Home / 2,142,928.96-3,215,295.21-1,333,990.47

Finding the Fourth Proportional to 2,142,928.96, 3,215,295.21 and 1,333,990.47

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Solution

The fourth proportional to 2,142,928.96, 3,215,295.21 and 1,333,990.47 is: 2,001,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,928.96 : 3,215,295.21 = 1,333,990.47 : x
  2. Step 2: Convert to fraction form
    2,142,928.96/3,215,295.21 = 1,333,990.47/x
  3. Step 3: Cross multiply
    2,142,928.96x = 3,215,295.21 × 1,333,990.47
  4. Step 4: Simplify right side
    2,142,928.96x = 4,289,173,168,376.65
  5. Step 5: Solve for x
    x = 4,289,173,168,376.65/2,142,928.96
  6. Step 6: Final answer
    x = 2,001,547.06

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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.