Home / 2,949,378.86-4,424,068.30-1,686,320.76

Finding the Fourth Proportional to 2,949,378.86, 4,424,068.30 and 1,686,320.76

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Solution

The fourth proportional to 2,949,378.86, 4,424,068.30 and 1,686,320.76 is: 2,529,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,378.86 : 4,424,068.30 = 1,686,320.76 : x
  2. Step 2: Convert to fraction form
    2,949,378.86/4,424,068.30 = 1,686,320.76/x
  3. Step 3: Cross multiply
    2,949,378.86x = 4,424,068.30 × 1,686,320.76
  4. Step 4: Simplify right side
    2,949,378.86x = 7,460,398,217,947.91
  5. Step 5: Solve for x
    x = 7,460,398,217,947.91/2,949,378.86
  6. Step 6: Final answer
    x = 2,529,481.15

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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.