Finding the Fourth Proportional to 6,436,565.16, 8,878,520.12 and 3,821,294.26
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Solution
The fourth proportional to 6,436,565.16, 8,878,520.12 and 3,821,294.26 is: 5,271,047.08
Step by Step Solution
- Step 1: Write the proportion equation
6,436,565.16 : 8,878,520.12 = 3,821,294.26 : x - Step 2: Convert to fraction form
6,436,565.16/8,878,520.12 = 3,821,294.26/x - Step 3: Cross multiply
6,436,565.16x = 8,878,520.12 × 3,821,294.26 - Step 4: Simplify right side
6,436,565.16x = 33,927,437,971,850.51 - Step 5: Solve for x
x = 33,927,437,971,850.51/6,436,565.16 - Step 6: Final answer
x = 5,271,047.08
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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.