Finding the Fourth Proportional to 4,092,781.88, 6,138,125.62 and 1,213,475.42
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Solution
The fourth proportional to 4,092,781.88, 6,138,125.62 and 1,213,475.42 is: 1,819,902.64
Step by Step Solution
- Step 1: Write the proportion equation
4,092,781.88 : 6,138,125.62 = 1,213,475.42 : x - Step 2: Convert to fraction form
4,092,781.88/6,138,125.62 = 1,213,475.42/x - Step 3: Cross multiply
4,092,781.88x = 6,138,125.62 × 1,213,475.42 - Step 4: Simplify right side
4,092,781.88x = 7,448,464,564,742.26 - Step 5: Solve for x
x = 7,448,464,564,742.26/4,092,781.88 - Step 6: Final answer
x = 1,819,902.64
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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.