Home / 2,685,619.40-4,020,134.70-1,560,345.80

Finding the Fourth Proportional to 2,685,619.40, 4,020,134.70 and 1,560,345.80

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Solution

The fourth proportional to 2,685,619.40, 4,020,134.70 and 1,560,345.80 is: 2,335,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,619.40 : 4,020,134.70 = 1,560,345.80 : x
  2. Step 2: Convert to fraction form
    2,685,619.40/4,020,134.70 = 1,560,345.80/x
  3. Step 3: Cross multiply
    2,685,619.40x = 4,020,134.70 × 1,560,345.80
  4. Step 4: Simplify right side
    2,685,619.40x = 6,272,800,294,579.26
  5. Step 5: Solve for x
    x = 6,272,800,294,579.26/2,685,619.40
  6. Step 6: Final answer
    x = 2,335,699.65

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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.