Home / 2,891,707.20-4,336,783.20-1,208,462.40

Finding the Fourth Proportional to 2,891,707.20, 4,336,783.20 and 1,208,462.40

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Solution

The fourth proportional to 2,891,707.20, 4,336,783.20 and 1,208,462.40 is: 1,812,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,707.20 : 4,336,783.20 = 1,208,462.40 : x
  2. Step 2: Convert to fraction form
    2,891,707.20/4,336,783.20 = 1,208,462.40/x
  3. Step 3: Cross multiply
    2,891,707.20x = 4,336,783.20 × 1,208,462.40
  4. Step 4: Simplify right side
    2,891,707.20x = 5,240,839,434,151.68
  5. Step 5: Solve for x
    x = 5,240,839,434,151.68/2,891,707.20
  6. Step 6: Final answer
    x = 1,812,368.64

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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.