Finding the Fourth Proportional to 1,445,157.56, 2,168,220.30 and 472,566.70
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Solution
The fourth proportional to 1,445,157.56, 2,168,220.30 and 472,566.70 is: 709,008.31
Step by Step Solution
- Step 1: Write the proportion equation
1,445,157.56 : 2,168,220.30 = 472,566.70 : x - Step 2: Convert to fraction form
1,445,157.56/2,168,220.30 = 472,566.70/x - Step 3: Cross multiply
1,445,157.56x = 2,168,220.30 × 472,566.70 - Step 4: Simplify right side
1,445,157.56x = 1,024,628,717,360.31 - Step 5: Solve for x
x = 1,024,628,717,360.31/1,445,157.56 - Step 6: Final answer
x = 709,008.31
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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.