Home / 6,390,452.21-9,590,439.08-4,688,992.19

Finding the Fourth Proportional to 6,390,452.21, 9,590,439.08 and 4,688,992.19

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Solution

The fourth proportional to 6,390,452.21, 9,590,439.08 and 4,688,992.19 is: 7,036,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,452.21 : 9,590,439.08 = 4,688,992.19 : x
  2. Step 2: Convert to fraction form
    6,390,452.21/9,590,439.08 = 4,688,992.19/x
  3. Step 3: Cross multiply
    6,390,452.21x = 9,590,439.08 × 4,688,992.19
  4. Step 4: Simplify right side
    6,390,452.21x = 44,969,493,980,489.36
  5. Step 5: Solve for x
    x = 44,969,493,980,489.36/6,390,452.21
  6. Step 6: Final answer
    x = 7,036,981.51

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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.