Home / 2,078,178.60-3,116,490.30-729,820.20

Finding the Fourth Proportional to 2,078,178.60, 3,116,490.30 and 729,820.20

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Solution

The fourth proportional to 2,078,178.60, 3,116,490.30 and 729,820.20 is: 1,094,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,178.60 : 3,116,490.30 = 729,820.20 : x
  2. Step 2: Convert to fraction form
    2,078,178.60/3,116,490.30 = 729,820.20/x
  3. Step 3: Cross multiply
    2,078,178.60x = 3,116,490.30 × 729,820.20
  4. Step 4: Simplify right side
    2,078,178.60x = 2,274,477,574,044.06
  5. Step 5: Solve for x
    x = 2,274,477,574,044.06/2,078,178.60
  6. Step 6: Final answer
    x = 1,094,457.22

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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.