Home / 3,090,407.74-4,634,724.93-931,643.26

Finding the Fourth Proportional to 3,090,407.74, 4,634,724.93 and 931,643.26

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Solution

The fourth proportional to 3,090,407.74, 4,634,724.93 and 931,643.26 is: 1,397,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,407.74 : 4,634,724.93 = 931,643.26 : x
  2. Step 2: Convert to fraction form
    3,090,407.74/4,634,724.93 = 931,643.26/x
  3. Step 3: Cross multiply
    3,090,407.74x = 4,634,724.93 × 931,643.26
  4. Step 4: Simplify right side
    3,090,407.74x = 4,317,910,242,988.47
  5. Step 5: Solve for x
    x = 4,317,910,242,988.47/3,090,407.74
  6. Step 6: Final answer
    x = 1,397,197.59

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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.