Home / 2,588,312.36-3,882,478.08-791,188.86

Finding the Fourth Proportional to 2,588,312.36, 3,882,478.08 and 791,188.86

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Solution

The fourth proportional to 2,588,312.36, 3,882,478.08 and 791,188.86 is: 1,186,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,312.36 : 3,882,478.08 = 791,188.86 : x
  2. Step 2: Convert to fraction form
    2,588,312.36/3,882,478.08 = 791,188.86/x
  3. Step 3: Cross multiply
    2,588,312.36x = 3,882,478.08 × 791,188.86
  4. Step 4: Simplify right side
    2,588,312.36x = 3,071,773,406,090.19
  5. Step 5: Solve for x
    x = 3,071,773,406,090.19/2,588,312.36
  6. Step 6: Final answer
    x = 1,186,786.21

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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.