Home / 5,739,656.40-7,920,779.40-3,161,346.48

Finding the Fourth Proportional to 5,739,656.40, 7,920,779.40 and 3,161,346.48

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Solution

The fourth proportional to 5,739,656.40, 7,920,779.40 and 3,161,346.48 is: 4,362,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,656.40 : 7,920,779.40 = 3,161,346.48 : x
  2. Step 2: Convert to fraction form
    5,739,656.40/7,920,779.40 = 3,161,346.48/x
  3. Step 3: Cross multiply
    5,739,656.40x = 7,920,779.40 × 3,161,346.48
  4. Step 4: Simplify right side
    5,739,656.40x = 25,040,328,075,046.51
  5. Step 5: Solve for x
    x = 25,040,328,075,046.51/5,739,656.40
  6. Step 6: Final answer
    x = 4,362,687.65

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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.