Home / 3,078,000.55-4,617,000.83-2,912,663.35

Finding the Fourth Proportional to 3,078,000.55, 4,617,000.83 and 2,912,663.35

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Solution

The fourth proportional to 3,078,000.55, 4,617,000.83 and 2,912,663.35 is: 4,368,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,000.55 : 4,617,000.83 = 2,912,663.35 : x
  2. Step 2: Convert to fraction form
    3,078,000.55/4,617,000.83 = 2,912,663.35/x
  3. Step 3: Cross multiply
    3,078,000.55x = 4,617,000.83 × 2,912,663.35
  4. Step 4: Simplify right side
    3,078,000.55x = 13,447,769,104,460.58
  5. Step 5: Solve for x
    x = 13,447,769,104,460.58/3,078,000.55
  6. Step 6: Final answer
    x = 4,368,995.03

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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.