Finding the Fourth Proportional to 6,430,394.17, 8,873,832.59 and 3,490,148.17
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Solution
The fourth proportional to 6,430,394.17, 8,873,832.59 and 3,490,148.17 is: 4,816,344.03
Step by Step Solution
- Step 1: Write the proportion equation
6,430,394.17 : 8,873,832.59 = 3,490,148.17 : x - Step 2: Convert to fraction form
6,430,394.17/8,873,832.59 = 3,490,148.17/x - Step 3: Cross multiply
6,430,394.17x = 8,873,832.59 × 3,490,148.17 - Step 4: Simplify right side
6,430,394.17x = 30,970,990,574,874.86 - Step 5: Solve for x
x = 30,970,990,574,874.86/6,430,394.17 - Step 6: Final answer
x = 4,816,344.03
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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.