Finding the Fourth Proportional to 1,377,421.80, 2,066,132.70 and 817,549.80
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Solution
The fourth proportional to 1,377,421.80, 2,066,132.70 and 817,549.80 is: 1,226,324.70
Step by Step Solution
- Step 1: Write the proportion equation
1,377,421.80 : 2,066,132.70 = 817,549.80 : x - Step 2: Convert to fraction form
1,377,421.80/2,066,132.70 = 817,549.80/x - Step 3: Cross multiply
1,377,421.80x = 2,066,132.70 × 817,549.80 - Step 4: Simplify right side
1,377,421.80x = 1,689,166,375,658.46 - Step 5: Solve for x
x = 1,689,166,375,658.46/1,377,421.80 - Step 6: Final answer
x = 1,226,324.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.