Finding the Fourth Proportional to 2,423,378.16, 3,344,329.08 and 1,390,974.48
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Solution
The fourth proportional to 2,423,378.16, 3,344,329.08 and 1,390,974.48 is: 1,919,583.36
Step by Step Solution
- Step 1: Write the proportion equation
2,423,378.16 : 3,344,329.08 = 1,390,974.48 : x - Step 2: Convert to fraction form
2,423,378.16/3,344,329.08 = 1,390,974.48/x - Step 3: Cross multiply
2,423,378.16x = 3,344,329.08 × 1,390,974.48 - Step 4: Simplify right side
2,423,378.16x = 4,651,876,403,001.88 - Step 5: Solve for x
x = 4,651,876,403,001.88/2,423,378.16 - Step 6: Final answer
x = 1,919,583.36
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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.