Home / 3,886,008.40-5,819,681.40-3,139,512.40

Finding the Fourth Proportional to 3,886,008.40, 5,819,681.40 and 3,139,512.40

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Solution

The fourth proportional to 3,886,008.40, 5,819,681.40 and 3,139,512.40 is: 4,701,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,008.40 : 5,819,681.40 = 3,139,512.40 : x
  2. Step 2: Convert to fraction form
    3,886,008.40/5,819,681.40 = 3,139,512.40/x
  3. Step 3: Cross multiply
    3,886,008.40x = 5,819,681.40 × 3,139,512.40
  4. Step 4: Simplify right side
    3,886,008.40x = 18,270,961,919,349.36
  5. Step 5: Solve for x
    x = 18,270,961,919,349.36/3,886,008.40
  6. Step 6: Final answer
    x = 4,701,729.91

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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.