Finding the Fourth Proportional to 1,501,418.68, 2,072,157.33 and 856,691.08
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Solution
The fourth proportional to 1,501,418.68, 2,072,157.33 and 856,691.08 is: 1,182,347.55
Step by Step Solution
- Step 1: Write the proportion equation
1,501,418.68 : 2,072,157.33 = 856,691.08 : x - Step 2: Convert to fraction form
1,501,418.68/2,072,157.33 = 856,691.08/x - Step 3: Cross multiply
1,501,418.68x = 2,072,157.33 × 856,691.08 - Step 4: Simplify right side
1,501,418.68x = 1,775,198,700,967.62 - Step 5: Solve for x
x = 1,775,198,700,967.62/1,501,418.68 - Step 6: Final answer
x = 1,182,347.55
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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.