Finding the Fourth Proportional to 1,891,336.68, 2,610,053.28 and 1,031,914.80
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Solution
The fourth proportional to 1,891,336.68, 2,610,053.28 and 1,031,914.80 is: 1,424,047.15
Step by Step Solution
- Step 1: Write the proportion equation
1,891,336.68 : 2,610,053.28 = 1,031,914.80 : x - Step 2: Convert to fraction form
1,891,336.68/2,610,053.28 = 1,031,914.80/x - Step 3: Cross multiply
1,891,336.68x = 2,610,053.28 × 1,031,914.80 - Step 4: Simplify right side
1,891,336.68x = 2,693,352,608,420.54 - Step 5: Solve for x
x = 2,693,352,608,420.54/1,891,336.68 - Step 6: Final answer
x = 1,424,047.15
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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.