Home / 3,078,000.20-4,617,000.30-3,036,009.80

Finding the Fourth Proportional to 3,078,000.20, 4,617,000.30 and 3,036,009.80

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Solution

The fourth proportional to 3,078,000.20, 4,617,000.30 and 3,036,009.80 is: 4,554,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,000.20 : 4,617,000.30 = 3,036,009.80 : x
  2. Step 2: Convert to fraction form
    3,078,000.20/4,617,000.30 = 3,036,009.80/x
  3. Step 3: Cross multiply
    3,078,000.20x = 4,617,000.30 × 3,036,009.80
  4. Step 4: Simplify right side
    3,078,000.20x = 14,017,258,157,402.94
  5. Step 5: Solve for x
    x = 14,017,258,157,402.94/3,078,000.20
  6. Step 6: Final answer
    x = 4,554,014.70

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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.