Finding the Fourth Proportional to 1,680,421.34, 2,318,970.84 and 955,269.10
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Solution
The fourth proportional to 1,680,421.34, 2,318,970.84 and 955,269.10 is: 1,318,265.32
Step by Step Solution
- Step 1: Write the proportion equation
1,680,421.34 : 2,318,970.84 = 955,269.10 : x - Step 2: Convert to fraction form
1,680,421.34/2,318,970.84 = 955,269.10/x - Step 3: Cross multiply
1,680,421.34x = 2,318,970.84 × 955,269.10 - Step 4: Simplify right side
1,680,421.34x = 2,215,241,173,525.29 - Step 5: Solve for x
x = 2,215,241,173,525.29/1,680,421.34 - Step 6: Final answer
x = 1,318,265.32
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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.