Finding the Fourth Proportional to 2,852,981.19, 3,930,497.06 and 1,992,177.99
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Solution
The fourth proportional to 2,852,981.19, 3,930,497.06 and 1,992,177.99 is: 2,744,585.12
Step by Step Solution
- Step 1: Write the proportion equation
2,852,981.19 : 3,930,497.06 = 1,992,177.99 : x - Step 2: Convert to fraction form
2,852,981.19/3,930,497.06 = 1,992,177.99/x - Step 3: Cross multiply
2,852,981.19x = 3,930,497.06 × 1,992,177.99 - Step 4: Simplify right side
2,852,981.19x = 7,830,249,722,730.82 - Step 5: Solve for x
x = 7,830,249,722,730.82/2,852,981.19 - Step 6: Final answer
x = 2,744,585.12
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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.