Finding the Fourth Proportional to 1,445,157.81, 2,168,220.66 and 472,566.95
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Solution
The fourth proportional to 1,445,157.81, 2,168,220.66 and 472,566.95 is: 709,008.68
Step by Step Solution
- Step 1: Write the proportion equation
1,445,157.81 : 2,168,220.66 = 472,566.95 : x - Step 2: Convert to fraction form
1,445,157.81/2,168,220.66 = 472,566.95/x - Step 3: Cross multiply
1,445,157.81x = 2,168,220.66 × 472,566.95 - Step 4: Simplify right side
1,445,157.81x = 1,024,629,423,728.07 - Step 5: Solve for x
x = 1,024,629,423,728.07/1,445,157.81 - Step 6: Final answer
x = 709,008.68
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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.