Home / 2,011,857.20-3,018,320.40-874,131.20

Finding the Fourth Proportional to 2,011,857.20, 3,018,320.40 and 874,131.20

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Solution

The fourth proportional to 2,011,857.20, 3,018,320.40 and 874,131.20 is: 1,311,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,857.20 : 3,018,320.40 = 874,131.20 : x
  2. Step 2: Convert to fraction form
    2,011,857.20/3,018,320.40 = 874,131.20/x
  3. Step 3: Cross multiply
    2,011,857.20x = 3,018,320.40 × 874,131.20
  4. Step 4: Simplify right side
    2,011,857.20x = 2,638,408,033,236.48
  5. Step 5: Solve for x
    x = 2,638,408,033,236.48/2,011,857.20
  6. Step 6: Final answer
    x = 1,311,429.08

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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.