Home / 2,051,939.62-3,078,064.14-612,509.35

Finding the Fourth Proportional to 2,051,939.62, 3,078,064.14 and 612,509.35

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Solution

The fourth proportional to 2,051,939.62, 3,078,064.14 and 612,509.35 is: 918,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,939.62 : 3,078,064.14 = 612,509.35 : x
  2. Step 2: Convert to fraction form
    2,051,939.62/3,078,064.14 = 612,509.35/x
  3. Step 3: Cross multiply
    2,051,939.62x = 3,078,064.14 × 612,509.35
  4. Step 4: Simplify right side
    2,051,939.62x = 1,885,343,065,649.71
  5. Step 5: Solve for x
    x = 1,885,343,065,649.71/2,051,939.62
  6. Step 6: Final answer
    x = 918,810.21

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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.