Finding the Fourth Proportional to 4,490,812.80, 6,736,122.48 and 1,252,264.17
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Solution
The fourth proportional to 4,490,812.80, 6,736,122.48 and 1,252,264.17 is: 1,878,369.28
Step by Step Solution
- Step 1: Write the proportion equation
4,490,812.80 : 6,736,122.48 = 1,252,264.17 : x - Step 2: Convert to fraction form
4,490,812.80/6,736,122.48 = 1,252,264.17/x - Step 3: Cross multiply
4,490,812.80x = 6,736,122.48 × 1,252,264.17 - Step 4: Simplify right side
4,490,812.80x = 8,435,404,826,435.54 - Step 5: Solve for x
x = 8,435,404,826,435.54/4,490,812.80 - Step 6: Final answer
x = 1,878,369.28
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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.