Finding the Fourth Proportional to 1,750,877.80, 2,626,403.10 and 911,069.80
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Solution
The fourth proportional to 1,750,877.80, 2,626,403.10 and 911,069.80 is: 1,366,649.66
Step by Step Solution
- Step 1: Write the proportion equation
1,750,877.80 : 2,626,403.10 = 911,069.80 : x - Step 2: Convert to fraction form
1,750,877.80/2,626,403.10 = 911,069.80/x - Step 3: Cross multiply
1,750,877.80x = 2,626,403.10 × 911,069.80 - Step 4: Simplify right side
1,750,877.80x = 2,392,836,547,036.38 - Step 5: Solve for x
x = 2,392,836,547,036.38/1,750,877.80 - Step 6: Final answer
x = 1,366,649.66
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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.