Home / 1,938,439.28-2,908,903.08-940,622.96

Finding the Fourth Proportional to 1,938,439.28, 2,908,903.08 and 940,622.96

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Solution

The fourth proportional to 1,938,439.28, 2,908,903.08 and 940,622.96 is: 1,411,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,439.28 : 2,908,903.08 = 940,622.96 : x
  2. Step 2: Convert to fraction form
    1,938,439.28/2,908,903.08 = 940,622.96/x
  3. Step 3: Cross multiply
    1,938,439.28x = 2,908,903.08 × 940,622.96
  4. Step 4: Simplify right side
    1,938,439.28x = 2,736,181,025,462.72
  5. Step 5: Solve for x
    x = 2,736,181,025,462.72/1,938,439.28
  6. Step 6: Final answer
    x = 1,411,538.17

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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.