Home / 2,119,695.51-3,180,594.92-840,275.94

Finding the Fourth Proportional to 2,119,695.51, 3,180,594.92 and 840,275.94

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Solution

The fourth proportional to 2,119,695.51, 3,180,594.92 and 840,275.94 is: 1,260,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,695.51 : 3,180,594.92 = 840,275.94 : x
  2. Step 2: Convert to fraction form
    2,119,695.51/3,180,594.92 = 840,275.94/x
  3. Step 3: Cross multiply
    2,119,695.51x = 3,180,594.92 × 840,275.94
  4. Step 4: Simplify right side
    2,119,695.51x = 2,672,577,381,960.84
  5. Step 5: Solve for x
    x = 2,672,577,381,960.84/2,119,695.51
  6. Step 6: Final answer
    x = 1,260,830.80

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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.