Finding the Fourth Proportional to 1,939,874.85, 2,676,781.49 and 1,124,070.93
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Solution
The fourth proportional to 1,939,874.85, 2,676,781.49 and 1,124,070.93 is: 1,551,075.45
Step by Step Solution
- Step 1: Write the proportion equation
1,939,874.85 : 2,676,781.49 = 1,124,070.93 : x - Step 2: Convert to fraction form
1,939,874.85/2,676,781.49 = 1,124,070.93/x - Step 3: Cross multiply
1,939,874.85x = 2,676,781.49 × 1,124,070.93 - Step 4: Simplify right side
1,939,874.85x = 3,008,892,253,250.73 - Step 5: Solve for x
x = 3,008,892,253,250.73/1,939,874.85 - Step 6: Final answer
x = 1,551,075.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.