Home / 1,938,427.20-2,908,236.06-992,462.16

Finding the Fourth Proportional to 1,938,427.20, 2,908,236.06 and 992,462.16

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Solution

The fourth proportional to 1,938,427.20, 2,908,236.06 and 992,462.16 is: 1,488,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,427.20 : 2,908,236.06 = 992,462.16 : x
  2. Step 2: Convert to fraction form
    1,938,427.20/2,908,236.06 = 992,462.16/x
  3. Step 3: Cross multiply
    1,938,427.20x = 2,908,236.06 × 992,462.16
  4. Step 4: Simplify right side
    1,938,427.20x = 2,886,314,241,897.49
  5. Step 5: Solve for x
    x = 2,886,314,241,897.49/1,938,427.20
  6. Step 6: Final answer
    x = 1,488,998.01

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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.