Finding the Fourth Proportional to 5,374,691.18, 7,417,073.84 and 2,960,243.18
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Solution
The fourth proportional to 5,374,691.18, 7,417,073.84 and 2,960,243.18 is: 4,085,135.59
Step by Step Solution
- Step 1: Write the proportion equation
5,374,691.18 : 7,417,073.84 = 2,960,243.18 : x - Step 2: Convert to fraction form
5,374,691.18/7,417,073.84 = 2,960,243.18/x - Step 3: Cross multiply
5,374,691.18x = 7,417,073.84 × 2,960,243.18 - Step 4: Simplify right side
5,374,691.18x = 21,956,342,250,416.41 - Step 5: Solve for x
x = 21,956,342,250,416.41/5,374,691.18 - Step 6: Final answer
x = 4,085,135.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.