Home / 2,646,712.40-3,974,005.20-2,048,349.20

Finding the Fourth Proportional to 2,646,712.40, 3,974,005.20 and 2,048,349.20

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Solution

The fourth proportional to 2,646,712.40, 3,974,005.20 and 2,048,349.20 is: 3,075,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,712.40 : 3,974,005.20 = 2,048,349.20 : x
  2. Step 2: Convert to fraction form
    2,646,712.40/3,974,005.20 = 2,048,349.20/x
  3. Step 3: Cross multiply
    2,646,712.40x = 3,974,005.20 × 2,048,349.20
  4. Step 4: Simplify right side
    2,646,712.40x = 8,140,150,372,215.84
  5. Step 5: Solve for x
    x = 8,140,150,372,215.84/2,646,712.40
  6. Step 6: Final answer
    x = 3,075,570.42

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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.