Finding the Fourth Proportional to 5,445,531.12, 8,168,343.36 and 1,554,978.18
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Solution
The fourth proportional to 5,445,531.12, 8,168,343.36 and 1,554,978.18 is: 2,332,480.60
Step by Step Solution
- Step 1: Write the proportion equation
5,445,531.12 : 8,168,343.36 = 1,554,978.18 : x - Step 2: Convert to fraction form
5,445,531.12/8,168,343.36 = 1,554,978.18/x - Step 3: Cross multiply
5,445,531.12x = 8,168,343.36 × 1,554,978.18 - Step 4: Simplify right side
5,445,531.12x = 12,701,595,691,547.88 - Step 5: Solve for x
x = 12,701,595,691,547.88/5,445,531.12 - Step 6: Final answer
x = 2,332,480.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.