Finding the Fourth Proportional to 2,878,227.96, 4,316,553.81 and 1,080,972.42
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Solution
The fourth proportional to 2,878,227.96, 4,316,553.81 and 1,080,972.42 is: 1,621,162.63
Step by Step Solution
- Step 1: Write the proportion equation
2,878,227.96 : 4,316,553.81 = 1,080,972.42 : x - Step 2: Convert to fraction form
2,878,227.96/4,316,553.81 = 1,080,972.42/x - Step 3: Cross multiply
2,878,227.96x = 4,316,553.81 × 1,080,972.42 - Step 4: Simplify right side
2,878,227.96x = 4,666,075,618,055.92 - Step 5: Solve for x
x = 4,666,075,618,055.92/2,878,227.96 - Step 6: Final answer
x = 1,621,162.63
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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.