Home / 2,018,921.50-3,028,372.50-1,918,008.46

Finding the Fourth Proportional to 2,018,921.50, 3,028,372.50 and 1,918,008.46

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Solution

The fourth proportional to 2,018,921.50, 3,028,372.50 and 1,918,008.46 is: 2,877,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,921.50 : 3,028,372.50 = 1,918,008.46 : x
  2. Step 2: Convert to fraction form
    2,018,921.50/3,028,372.50 = 1,918,008.46/x
  3. Step 3: Cross multiply
    2,018,921.50x = 3,028,372.50 × 1,918,008.46
  4. Step 4: Simplify right side
    2,018,921.50x = 5,808,444,075,031.35
  5. Step 5: Solve for x
    x = 5,808,444,075,031.35/2,018,921.50
  6. Step 6: Final answer
    x = 2,877,003.43

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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.