Home / 2,985,018.78-4,477,576.77-855,094.62

Finding the Fourth Proportional to 2,985,018.78, 4,477,576.77 and 855,094.62

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Solution

The fourth proportional to 2,985,018.78, 4,477,576.77 and 855,094.62 is: 1,282,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,018.78 : 4,477,576.77 = 855,094.62 : x
  2. Step 2: Convert to fraction form
    2,985,018.78/4,477,576.77 = 855,094.62/x
  3. Step 3: Cross multiply
    2,985,018.78x = 4,477,576.77 × 855,094.62
  4. Step 4: Simplify right side
    2,985,018.78x = 3,828,751,806,663.98
  5. Step 5: Solve for x
    x = 3,828,751,806,663.98/2,985,018.78
  6. Step 6: Final answer
    x = 1,282,655.85

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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.