Finding the Fourth Proportional to 4,587,987.63, 6,881,536.74 and 1,393,141.89
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Solution
The fourth proportional to 4,587,987.63, 6,881,536.74 and 1,393,141.89 is: 2,089,577.80
Step by Step Solution
- Step 1: Write the proportion equation
4,587,987.63 : 6,881,536.74 = 1,393,141.89 : x - Step 2: Convert to fraction form
4,587,987.63/6,881,536.74 = 1,393,141.89/x - Step 3: Cross multiply
4,587,987.63x = 6,881,536.74 × 1,393,141.89 - Step 4: Simplify right side
4,587,987.63x = 9,586,957,100,068.04 - Step 5: Solve for x
x = 9,586,957,100,068.04/4,587,987.63 - Step 6: Final answer
x = 2,089,577.80
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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.