Finding the Fourth Proportional to 6,240,952.78, 8,612,348.30 and 3,487,661.68
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Solution
The fourth proportional to 6,240,952.78, 8,612,348.30 and 3,487,661.68 is: 4,812,880.05
Step by Step Solution
- Step 1: Write the proportion equation
6,240,952.78 : 8,612,348.30 = 3,487,661.68 : x - Step 2: Convert to fraction form
6,240,952.78/8,612,348.30 = 3,487,661.68/x - Step 3: Cross multiply
6,240,952.78x = 8,612,348.30 × 3,487,661.68 - Step 4: Simplify right side
6,240,952.78x = 30,036,957,140,723.15 - Step 5: Solve for x
x = 30,036,957,140,723.15/6,240,952.78 - Step 6: Final answer
x = 4,812,880.05
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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.