Home / 2,802,242.75-4,203,368.18-780,492.47

Finding the Fourth Proportional to 2,802,242.75, 4,203,368.18 and 780,492.47

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Solution

The fourth proportional to 2,802,242.75, 4,203,368.18 and 780,492.47 is: 1,170,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,242.75 : 4,203,368.18 = 780,492.47 : x
  2. Step 2: Convert to fraction form
    2,802,242.75/4,203,368.18 = 780,492.47/x
  3. Step 3: Cross multiply
    2,802,242.75x = 4,203,368.18 × 780,492.47
  4. Step 4: Simplify right side
    2,802,242.75x = 3,280,697,209,225.14
  5. Step 5: Solve for x
    x = 3,280,697,209,225.14/2,802,242.75
  6. Step 6: Final answer
    x = 1,170,739.83

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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.