Finding the Fourth Proportional to 7,233,545.76, 9,982,258.08 and 3,970,416.02
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Solution
The fourth proportional to 7,233,545.76, 9,982,258.08 and 3,970,416.02 is: 5,479,154.85
Step by Step Solution
- Step 1: Write the proportion equation
7,233,545.76 : 9,982,258.08 = 3,970,416.02 : x - Step 2: Convert to fraction form
7,233,545.76/9,982,258.08 = 3,970,416.02/x - Step 3: Cross multiply
7,233,545.76x = 9,982,258.08 × 3,970,416.02 - Step 4: Simplify right side
7,233,545.76x = 39,633,717,346,695.16 - Step 5: Solve for x
x = 39,633,717,346,695.16/7,233,545.76 - Step 6: Final answer
x = 5,479,154.85
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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.