Finding the Fourth Proportional to 1,717,734.60, 2,576,601.90 and 1,213,849.80
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Solution
The fourth proportional to 1,717,734.60, 2,576,601.90 and 1,213,849.80 is: 1,820,774.70
Step by Step Solution
- Step 1: Write the proportion equation
1,717,734.60 : 2,576,601.90 = 1,213,849.80 : x - Step 2: Convert to fraction form
1,717,734.60/2,576,601.90 = 1,213,849.80/x - Step 3: Cross multiply
1,717,734.60x = 2,576,601.90 × 1,213,849.80 - Step 4: Simplify right side
1,717,734.60x = 3,127,607,700,994.62 - Step 5: Solve for x
x = 3,127,607,700,994.62/1,717,734.60 - Step 6: Final answer
x = 1,820,774.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.