Finding the Fourth Proportional to 1,549,154.70, 2,137,790.84 and 860,808.76
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Solution
The fourth proportional to 1,549,154.70, 2,137,790.84 and 860,808.76 is: 1,187,892.39
Step by Step Solution
- Step 1: Write the proportion equation
1,549,154.70 : 2,137,790.84 = 860,808.76 : x - Step 2: Convert to fraction form
1,549,154.70/2,137,790.84 = 860,808.76/x - Step 3: Cross multiply
1,549,154.70x = 2,137,790.84 × 860,808.76 - Step 4: Simplify right side
1,549,154.70x = 1,840,229,082,119.76 - Step 5: Solve for x
x = 1,840,229,082,119.76/1,549,154.70 - Step 6: Final answer
x = 1,187,892.39
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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.