Home / 2,779,566.35-3,835,866.51-1,555,841.43

Finding the Fourth Proportional to 2,779,566.35, 3,835,866.51 and 1,555,841.43

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Solution

The fourth proportional to 2,779,566.35, 3,835,866.51 and 1,555,841.43 is: 2,147,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,566.35 : 3,835,866.51 = 1,555,841.43 : x
  2. Step 2: Convert to fraction form
    2,779,566.35/3,835,866.51 = 1,555,841.43/x
  3. Step 3: Cross multiply
    2,779,566.35x = 3,835,866.51 × 1,555,841.43
  4. Step 4: Simplify right side
    2,779,566.35x = 5,968,000,036,207.51
  5. Step 5: Solve for x
    x = 5,968,000,036,207.51/2,779,566.35
  6. Step 6: Final answer
    x = 2,147,097.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.