Home / 1,930,749.78-2,896,263.18-510,789

Finding the Fourth Proportional to 1,930,749.78, 2,896,263.18 and 510,789

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Solution

The fourth proportional to 1,930,749.78, 2,896,263.18 and 510,789 is: 766,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,749.78 : 2,896,263.18 = 510,789 : x
  2. Step 2: Convert to fraction form
    1,930,749.78/2,896,263.18 = 510,789/x
  3. Step 3: Cross multiply
    1,930,749.78x = 2,896,263.18 × 510,789
  4. Step 4: Simplify right side
    1,930,749.78x = 1,479,379,373,449.02
  5. Step 5: Solve for x
    x = 1,479,379,373,449.02/1,930,749.78
  6. Step 6: Final answer
    x = 766,220.14

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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.