Home / 2,580,209.44-3,870,326.55-783,108.51

Finding the Fourth Proportional to 2,580,209.44, 3,870,326.55 and 783,108.51

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Solution

The fourth proportional to 2,580,209.44, 3,870,326.55 and 783,108.51 is: 1,174,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,209.44 : 3,870,326.55 = 783,108.51 : x
  2. Step 2: Convert to fraction form
    2,580,209.44/3,870,326.55 = 783,108.51/x
  3. Step 3: Cross multiply
    2,580,209.44x = 3,870,326.55 × 783,108.51
  4. Step 4: Simplify right side
    2,580,209.44x = 3,030,885,657,783.94
  5. Step 5: Solve for x
    x = 3,030,885,657,783.94/2,580,209.44
  6. Step 6: Final answer
    x = 1,174,666.53

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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.