Home / 2,878,000.20-4,314,722.99-1,080,683.51

Finding the Fourth Proportional to 2,878,000.20, 4,314,722.99 and 1,080,683.51

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Solution

The fourth proportional to 2,878,000.20, 4,314,722.99 and 1,080,683.51 is: 1,620,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,000.20 : 4,314,722.99 = 1,080,683.51 : x
  2. Step 2: Convert to fraction form
    2,878,000.20/4,314,722.99 = 1,080,683.51/x
  3. Step 3: Cross multiply
    2,878,000.20x = 4,314,722.99 × 1,080,683.51
  4. Step 4: Simplify right side
    2,878,000.20x = 4,662,849,958,533.86
  5. Step 5: Solve for x
    x = 4,662,849,958,533.86/2,878,000.20
  6. Step 6: Final answer
    x = 1,620,170.13

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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.