Home / 2,210,666.40-3,315,999.60-790,768.80

Finding the Fourth Proportional to 2,210,666.40, 3,315,999.60 and 790,768.80

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Solution

The fourth proportional to 2,210,666.40, 3,315,999.60 and 790,768.80 is: 1,186,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,666.40 : 3,315,999.60 = 790,768.80 : x
  2. Step 2: Convert to fraction form
    2,210,666.40/3,315,999.60 = 790,768.80/x
  3. Step 3: Cross multiply
    2,210,666.40x = 3,315,999.60 × 790,768.80
  4. Step 4: Simplify right side
    2,210,666.40x = 2,622,189,024,492.48
  5. Step 5: Solve for x
    x = 2,622,189,024,492.48/2,210,666.40
  6. Step 6: Final answer
    x = 1,186,153.20

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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.