Home / 3,136,128.24-4,703,631.21-830,637.12

Finding the Fourth Proportional to 3,136,128.24, 4,703,631.21 and 830,637.12

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Solution

The fourth proportional to 3,136,128.24, 4,703,631.21 and 830,637.12 is: 1,245,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,128.24 : 4,703,631.21 = 830,637.12 : x
  2. Step 2: Convert to fraction form
    3,136,128.24/4,703,631.21 = 830,637.12/x
  3. Step 3: Cross multiply
    3,136,128.24x = 4,703,631.21 × 830,637.12
  4. Step 4: Simplify right side
    3,136,128.24x = 3,907,010,681,816.52
  5. Step 5: Solve for x
    x = 3,907,010,681,816.52/3,136,128.24
  6. Step 6: Final answer
    x = 1,245,807.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.