Home / 3,642,405.20-5,463,607.80-2,685,811.40

Finding the Fourth Proportional to 3,642,405.20, 5,463,607.80 and 2,685,811.40

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Solution

The fourth proportional to 3,642,405.20, 5,463,607.80 and 2,685,811.40 is: 4,028,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,405.20 : 5,463,607.80 = 2,685,811.40 : x
  2. Step 2: Convert to fraction form
    3,642,405.20/5,463,607.80 = 2,685,811.40/x
  3. Step 3: Cross multiply
    3,642,405.20x = 5,463,607.80 × 2,685,811.40
  4. Step 4: Simplify right side
    3,642,405.20x = 14,674,220,114,368.92
  5. Step 5: Solve for x
    x = 14,674,220,114,368.92/3,642,405.20
  6. Step 6: Final answer
    x = 4,028,717.10

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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.