Finding the Fourth Proportional to 3,038,652.84, 4,193,269.38 and 1,680,496.68
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Solution
The fourth proportional to 3,038,652.84, 4,193,269.38 and 1,680,496.68 is: 2,319,045.85
Step by Step Solution
- Step 1: Write the proportion equation
3,038,652.84 : 4,193,269.38 = 1,680,496.68 : x - Step 2: Convert to fraction form
3,038,652.84/4,193,269.38 = 1,680,496.68/x - Step 3: Cross multiply
3,038,652.84x = 4,193,269.38 × 1,680,496.68 - Step 4: Simplify right side
3,038,652.84x = 7,046,775,271,435.66 - Step 5: Solve for x
x = 7,046,775,271,435.66/3,038,652.84 - Step 6: Final answer
x = 2,319,045.85
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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.