Finding the Fourth Proportional to 1,860,711.48, 2,789,381.98 and 1,292,360.94
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Solution
The fourth proportional to 1,860,711.48, 2,789,381.98 and 1,292,360.94 is: 1,937,370.92
Step by Step Solution
- Step 1: Write the proportion equation
1,860,711.48 : 2,789,381.98 = 1,292,360.94 : x - Step 2: Convert to fraction form
1,860,711.48/2,789,381.98 = 1,292,360.94/x - Step 3: Cross multiply
1,860,711.48x = 2,789,381.98 × 1,292,360.94 - Step 4: Simplify right side
1,860,711.48x = 3,604,888,311,230.06 - Step 5: Solve for x
x = 3,604,888,311,230.06/1,860,711.48 - Step 6: Final answer
x = 1,937,370.92
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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.