Finding the Fourth Proportional to 1,670,356.12, 2,504,717.70 and 1,165,159.12
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Solution
The fourth proportional to 1,670,356.12, 2,504,717.70 and 1,165,159.12 is: 1,747,169.14
Step by Step Solution
- Step 1: Write the proportion equation
1,670,356.12 : 2,504,717.70 = 1,165,159.12 : x - Step 2: Convert to fraction form
1,670,356.12/2,504,717.70 = 1,165,159.12/x - Step 3: Cross multiply
1,670,356.12x = 2,504,717.70 × 1,165,159.12 - Step 4: Simplify right side
1,670,356.12x = 2,918,394,671,180.42 - Step 5: Solve for x
x = 2,918,394,671,180.42/1,670,356.12 - Step 6: Final answer
x = 1,747,169.14
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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.