Finding the Fourth Proportional to 6,897,612.08, 9,518,707.26 and 3,998,683.46
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Solution
The fourth proportional to 6,897,612.08, 9,518,707.26 and 3,998,683.46 is: 5,518,184.68
Step by Step Solution
- Step 1: Write the proportion equation
6,897,612.08 : 9,518,707.26 = 3,998,683.46 : x - Step 2: Convert to fraction form
6,897,612.08/9,518,707.26 = 3,998,683.46/x - Step 3: Cross multiply
6,897,612.08x = 9,518,707.26 × 3,998,683.46 - Step 4: Simplify right side
6,897,612.08x = 38,062,297,281,143.92 - Step 5: Solve for x
x = 38,062,297,281,143.92/6,897,612.08 - Step 6: Final answer
x = 5,518,184.68
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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.