Home / 2,118,341.58-3,177,484.83-520,918.62

Finding the Fourth Proportional to 2,118,341.58, 3,177,484.83 and 520,918.62

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Solution

The fourth proportional to 2,118,341.58, 3,177,484.83 and 520,918.62 is: 781,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,341.58 : 3,177,484.83 = 520,918.62 : x
  2. Step 2: Convert to fraction form
    2,118,341.58/3,177,484.83 = 520,918.62/x
  3. Step 3: Cross multiply
    2,118,341.58x = 3,177,484.83 × 520,918.62
  4. Step 4: Simplify right side
    2,118,341.58x = 1,655,211,012,714.53
  5. Step 5: Solve for x
    x = 1,655,211,012,714.53/2,118,341.58
  6. Step 6: Final answer
    x = 781,371.16

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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.