Home / 2,463,862.40-3,400,123.20-1,390,774.40

Finding the Fourth Proportional to 2,463,862.40, 3,400,123.20 and 1,390,774.40

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Solution

The fourth proportional to 2,463,862.40, 3,400,123.20 and 1,390,774.40 is: 1,919,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463,862.40 : 3,400,123.20 = 1,390,774.40 : x
  2. Step 2: Convert to fraction form
    2,463,862.40/3,400,123.20 = 1,390,774.40/x
  3. Step 3: Cross multiply
    2,463,862.40x = 3,400,123.20 × 1,390,774.40
  4. Step 4: Simplify right side
    2,463,862.40x = 4,728,804,303,406.08
  5. Step 5: Solve for x
    x = 4,728,804,303,406.08/2,463,862.40
  6. Step 6: Final answer
    x = 1,919,264.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.