Home / 3,710,259.84-5,120,699.60-2,078,777.69

Finding the Fourth Proportional to 3,710,259.84, 5,120,699.60 and 2,078,777.69

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Solution

The fourth proportional to 3,710,259.84, 5,120,699.60 and 2,078,777.69 is: 2,869,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710,259.84 : 5,120,699.60 = 2,078,777.69 : x
  2. Step 2: Convert to fraction form
    3,710,259.84/5,120,699.60 = 2,078,777.69/x
  3. Step 3: Cross multiply
    3,710,259.84x = 5,120,699.60 × 2,078,777.69
  4. Step 4: Simplify right side
    3,710,259.84x = 10,644,796,085,671.92
  5. Step 5: Solve for x
    x = 10,644,796,085,671.92/3,710,259.84
  6. Step 6: Final answer
    x = 2,869,016.33

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1.5x scale

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.