Finding the Fourth Proportional to 1,676,621.88, 2,313,738.46 and 912,681.18
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Solution
The fourth proportional to 1,676,621.88, 2,313,738.46 and 912,681.18 is: 1,259,500.17
Step by Step Solution
- Step 1: Write the proportion equation
1,676,621.88 : 2,313,738.46 = 912,681.18 : x - Step 2: Convert to fraction form
1,676,621.88/2,313,738.46 = 912,681.18/x - Step 3: Cross multiply
1,676,621.88x = 2,313,738.46 × 912,681.18 - Step 4: Simplify right side
1,676,621.88x = 2,111,705,547,884.18 - Step 5: Solve for x
x = 2,111,705,547,884.18/1,676,621.88 - Step 6: Final answer
x = 1,259,500.17
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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.