Home / 4,936,779.30-7,409,542.95-2,912,492.10

Finding the Fourth Proportional to 4,936,779.30, 7,409,542.95 and 2,912,492.10

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Solution

The fourth proportional to 4,936,779.30, 7,409,542.95 and 2,912,492.10 is: 4,371,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936,779.30 : 7,409,542.95 = 2,912,492.10 : x
  2. Step 2: Convert to fraction form
    4,936,779.30/7,409,542.95 = 2,912,492.10/x
  3. Step 3: Cross multiply
    4,936,779.30x = 7,409,542.95 × 2,912,492.10
  4. Step 4: Simplify right side
    4,936,779.30x = 21,580,235,306,485.70
  5. Step 5: Solve for x
    x = 21,580,235,306,485.70/4,936,779.30
  6. Step 6: Final answer
    x = 4,371,318.63

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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.