Home / 3,518,123.20-4,855,019.35-1,908,491.20

Finding the Fourth Proportional to 3,518,123.20, 4,855,019.35 and 1,908,491.20

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Solution

The fourth proportional to 3,518,123.20, 4,855,019.35 and 1,908,491.20 is: 2,633,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,123.20 : 4,855,019.35 = 1,908,491.20 : x
  2. Step 2: Convert to fraction form
    3,518,123.20/4,855,019.35 = 1,908,491.20/x
  3. Step 3: Cross multiply
    3,518,123.20x = 4,855,019.35 × 1,908,491.20
  4. Step 4: Simplify right side
    3,518,123.20x = 9,265,761,688,395.94
  5. Step 5: Solve for x
    x = 9,265,761,688,395.94/3,518,123.20
  6. Step 6: Final answer
    x = 2,633,722.92

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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.