Finding the Fourth Proportional to 2,680,217.44, 3,698,736.08 and 1,456,547.20
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Solution
The fourth proportional to 2,680,217.44, 3,698,736.08 and 1,456,547.20 is: 2,010,054.71
Step by Step Solution
- Step 1: Write the proportion equation
2,680,217.44 : 3,698,736.08 = 1,456,547.20 : x - Step 2: Convert to fraction form
2,680,217.44/3,698,736.08 = 1,456,547.20/x - Step 3: Cross multiply
2,680,217.44x = 3,698,736.08 × 1,456,547.20 - Step 4: Simplify right side
2,680,217.44x = 5,387,383,680,862.98 - Step 5: Solve for x
x = 5,387,383,680,862.98/2,680,217.44 - Step 6: Final answer
x = 2,010,054.71
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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.