Home / 4,939,687.40-7,409,531.10-2,099,892.20

Finding the Fourth Proportional to 4,939,687.40, 7,409,531.10 and 2,099,892.20

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Solution

The fourth proportional to 4,939,687.40, 7,409,531.10 and 2,099,892.20 is: 3,149,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,687.40 : 7,409,531.10 = 2,099,892.20 : x
  2. Step 2: Convert to fraction form
    4,939,687.40/7,409,531.10 = 2,099,892.20/x
  3. Step 3: Cross multiply
    4,939,687.40x = 7,409,531.10 × 2,099,892.20
  4. Step 4: Simplify right side
    4,939,687.40x = 15,559,216,562,547.42
  5. Step 5: Solve for x
    x = 15,559,216,562,547.42/4,939,687.40
  6. Step 6: Final answer
    x = 3,149,838.30

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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.