Finding the Fourth Proportional to 1,532,585.34, 2,115,033.36 and 853,521.84
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Solution
The fourth proportional to 1,532,585.34, 2,115,033.36 and 853,521.84 is: 1,177,896.66
Step by Step Solution
- Step 1: Write the proportion equation
1,532,585.34 : 2,115,033.36 = 853,521.84 : x - Step 2: Convert to fraction form
1,532,585.34/2,115,033.36 = 853,521.84/x - Step 3: Cross multiply
1,532,585.34x = 2,115,033.36 × 853,521.84 - Step 4: Simplify right side
1,532,585.34x = 1,805,227,154,513.42 - Step 5: Solve for x
x = 1,805,227,154,513.42/1,532,585.34 - Step 6: Final answer
x = 1,177,896.66
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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.