Finding the Fourth Proportional to 1,478,278.91, 2,038,176.52 and 1,233,616.13
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Solution
The fourth proportional to 1,478,278.91, 2,038,176.52 and 1,233,616.13 is: 1,700,847.80
Step by Step Solution
- Step 1: Write the proportion equation
1,478,278.91 : 2,038,176.52 = 1,233,616.13 : x - Step 2: Convert to fraction form
1,478,278.91/2,038,176.52 = 1,233,616.13/x - Step 3: Cross multiply
1,478,278.91x = 2,038,176.52 × 1,233,616.13 - Step 4: Simplify right side
1,478,278.91x = 2,514,327,432,166.60 - Step 5: Solve for x
x = 2,514,327,432,166.60/1,478,278.91 - Step 6: Final answer
x = 1,700,847.80
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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.