Home / 2,051,939.75-3,078,064.34-612,509.48

Finding the Fourth Proportional to 2,051,939.75, 3,078,064.34 and 612,509.48

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Solution

The fourth proportional to 2,051,939.75, 3,078,064.34 and 612,509.48 is: 918,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,939.75 : 3,078,064.34 = 612,509.48 : x
  2. Step 2: Convert to fraction form
    2,051,939.75/3,078,064.34 = 612,509.48/x
  3. Step 3: Cross multiply
    2,051,939.75x = 3,078,064.34 × 612,509.48
  4. Step 4: Simplify right side
    2,051,939.75x = 1,885,343,569,847.07
  5. Step 5: Solve for x
    x = 1,885,343,569,847.07/2,051,939.75
  6. Step 6: Final answer
    x = 918,810.40

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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.