Home / 6,439,035.74-8,883,931.59-3,859,775.42

Finding the Fourth Proportional to 6,439,035.74, 8,883,931.59 and 3,859,775.42

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Solution

The fourth proportional to 6,439,035.74, 8,883,931.59 and 3,859,775.42 is: 5,325,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,035.74 : 8,883,931.59 = 3,859,775.42 : x
  2. Step 2: Convert to fraction form
    6,439,035.74/8,883,931.59 = 3,859,775.42/x
  3. Step 3: Cross multiply
    6,439,035.74x = 8,883,931.59 × 3,859,775.42
  4. Step 4: Simplify right side
    6,439,035.74x = 34,289,980,739,623.86
  5. Step 5: Solve for x
    x = 34,289,980,739,623.86/6,439,035.74
  6. Step 6: Final answer
    x = 5,325,328.54

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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.