Finding the Fourth Proportional to 5,878,987.09, 8,816,206.15 and 2,284,280.80
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Solution
The fourth proportional to 5,878,987.09, 8,816,206.15 and 2,284,280.80 is: 3,425,537.45
Step by Step Solution
- Step 1: Write the proportion equation
5,878,987.09 : 8,816,206.15 = 2,284,280.80 : x - Step 2: Convert to fraction form
5,878,987.09/8,816,206.15 = 2,284,280.80/x - Step 3: Cross multiply
5,878,987.09x = 8,816,206.15 × 2,284,280.80 - Step 4: Simplify right side
5,878,987.09x = 20,138,690,418,101.75 - Step 5: Solve for x
x = 20,138,690,418,101.75/5,878,987.09 - Step 6: Final answer
x = 3,425,537.45
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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.