Finding the Fourth Proportional to 1,676,684.72, 2,313,824.88 and 912,743.84
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Solution
The fourth proportional to 1,676,684.72, 2,313,824.88 and 912,743.84 is: 1,259,586.48
Step by Step Solution
- Step 1: Write the proportion equation
1,676,684.72 : 2,313,824.88 = 912,743.84 : x - Step 2: Convert to fraction form
1,676,684.72/2,313,824.88 = 912,743.84/x - Step 3: Cross multiply
1,676,684.72x = 2,313,824.88 × 912,743.84 - Step 4: Simplify right side
1,676,684.72x = 2,111,929,406,058.74 - Step 5: Solve for x
x = 2,111,929,406,058.74/1,676,684.72 - Step 6: Final answer
x = 1,259,586.48
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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.