Home / 4,779,782.82-7,172,663.64-1,939,894.97

Finding the Fourth Proportional to 4,779,782.82, 7,172,663.64 and 1,939,894.97

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Solution

The fourth proportional to 4,779,782.82, 7,172,663.64 and 1,939,894.97 is: 2,911,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,782.82 : 7,172,663.64 = 1,939,894.97 : x
  2. Step 2: Convert to fraction form
    4,779,782.82/7,172,663.64 = 1,939,894.97/x
  3. Step 3: Cross multiply
    4,779,782.82x = 7,172,663.64 × 1,939,894.97
  4. Step 4: Simplify right side
    4,779,782.82x = 13,914,214,116,737.89
  5. Step 5: Solve for x
    x = 13,914,214,116,737.89/4,779,782.82
  6. Step 6: Final answer
    x = 2,911,055.72

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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.