Finding the Fourth Proportional to 1,675,724.59, 2,312,670.29 and 987,618.15
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Solution
The fourth proportional to 1,675,724.59, 2,312,670.29 and 987,618.15 is: 1,363,013.45
Step by Step Solution
- Step 1: Write the proportion equation
1,675,724.59 : 2,312,670.29 = 987,618.15 : x - Step 2: Convert to fraction form
1,675,724.59/2,312,670.29 = 987,618.15/x - Step 3: Cross multiply
1,675,724.59x = 2,312,670.29 × 987,618.15 - Step 4: Simplify right side
1,675,724.59x = 2,284,035,148,431.67 - Step 5: Solve for x
x = 2,284,035,148,431.67/1,675,724.59 - Step 6: Final answer
x = 1,363,013.45
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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.