Home / 6,388,459.68-8,816,199.04-3,487,858

Finding the Fourth Proportional to 6,388,459.68, 8,816,199.04 and 3,487,858

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Solution

The fourth proportional to 6,388,459.68, 8,816,199.04 and 3,487,858 is: 4,813,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,459.68 : 8,816,199.04 = 3,487,858 : x
  2. Step 2: Convert to fraction form
    6,388,459.68/8,816,199.04 = 3,487,858/x
  3. Step 3: Cross multiply
    6,388,459.68x = 8,816,199.04 × 3,487,858
  4. Step 4: Simplify right side
    6,388,459.68x = 30,749,650,351,256.32
  5. Step 5: Solve for x
    x = 30,749,650,351,256.32/6,388,459.68
  6. Step 6: Final answer
    x = 4,813,312.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.