Home / 3,667,681.89-5,502,338.64-1,205,808.80

Finding the Fourth Proportional to 3,667,681.89, 5,502,338.64 and 1,205,808.80

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Solution

The fourth proportional to 3,667,681.89, 5,502,338.64 and 1,205,808.80 is: 1,808,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667,681.89 : 5,502,338.64 = 1,205,808.80 : x
  2. Step 2: Convert to fraction form
    3,667,681.89/5,502,338.64 = 1,205,808.80/x
  3. Step 3: Cross multiply
    3,667,681.89x = 5,502,338.64 × 1,205,808.80
  4. Step 4: Simplify right side
    3,667,681.89x = 6,634,768,325,180.34
  5. Step 5: Solve for x
    x = 6,634,768,325,180.34/3,667,681.89
  6. Step 6: Final answer
    x = 1,808,981.40

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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.