Finding the Fourth Proportional to 2,518,936.96, 3,778,671.84 and 921,642.88
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Solution
The fourth proportional to 2,518,936.96, 3,778,671.84 and 921,642.88 is: 1,382,561.79
Step by Step Solution
- Step 1: Write the proportion equation
2,518,936.96 : 3,778,671.84 = 921,642.88 : x - Step 2: Convert to fraction form
2,518,936.96/3,778,671.84 = 921,642.88/x - Step 3: Cross multiply
2,518,936.96x = 3,778,671.84 × 921,642.88 - Step 4: Simplify right side
2,518,936.96x = 3,482,585,997,192.50 - Step 5: Solve for x
x = 3,482,585,997,192.50/2,518,936.96 - Step 6: Final answer
x = 1,382,561.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.