Finding the Fourth Proportional to 2,125,296.18, 2,932,909.56 and 1,207,526.54
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Solution
The fourth proportional to 2,125,296.18, 2,932,909.56 and 1,207,526.54 is: 1,666,387.09
Step by Step Solution
- Step 1: Write the proportion equation
2,125,296.18 : 2,932,909.56 = 1,207,526.54 : x - Step 2: Convert to fraction form
2,125,296.18/2,932,909.56 = 1,207,526.54/x - Step 3: Cross multiply
2,125,296.18x = 2,932,909.56 × 1,207,526.54 - Step 4: Simplify right side
2,125,296.18x = 3,541,566,118,455.17 - Step 5: Solve for x
x = 3,541,566,118,455.17/2,125,296.18 - Step 6: Final answer
x = 1,666,387.09
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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.