Home / 1,999,779.65-2,759,684.11-1,140,321.46

Finding the Fourth Proportional to 1,999,779.65, 2,759,684.11 and 1,140,321.46

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Solution

The fourth proportional to 1,999,779.65, 2,759,684.11 and 1,140,321.46 is: 1,573,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,779.65 : 2,759,684.11 = 1,140,321.46 : x
  2. Step 2: Convert to fraction form
    1,999,779.65/2,759,684.11 = 1,140,321.46/x
  3. Step 3: Cross multiply
    1,999,779.65x = 2,759,684.11 × 1,140,321.46
  4. Step 4: Simplify right side
    1,999,779.65x = 3,146,926,993,953.97
  5. Step 5: Solve for x
    x = 3,146,926,993,953.97/1,999,779.65
  6. Step 6: Final answer
    x = 1,573,636.87

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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.