Finding the Fourth Proportional to 1,687,585.79, 2,328,850.34 and 913,199.62
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Solution
The fourth proportional to 1,687,585.79, 2,328,850.34 and 913,199.62 is: 1,260,205.70
Step by Step Solution
- Step 1: Write the proportion equation
1,687,585.79 : 2,328,850.34 = 913,199.62 : x - Step 2: Convert to fraction form
1,687,585.79/2,328,850.34 = 913,199.62/x - Step 3: Cross multiply
1,687,585.79x = 2,328,850.34 × 913,199.62 - Step 4: Simplify right side
1,687,585.79x = 2,126,705,242,927.84 - Step 5: Solve for x
x = 2,126,705,242,927.84/1,687,585.79 - Step 6: Final answer
x = 1,260,205.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.