Finding the Fourth Proportional to 4,128,432.67, 6,191,071.19 and 1,358,055.97
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Solution
The fourth proportional to 4,128,432.67, 6,191,071.19 and 1,358,055.97 is: 2,036,564.93
Step by Step Solution
- Step 1: Write the proportion equation
4,128,432.67 : 6,191,071.19 = 1,358,055.97 : x - Step 2: Convert to fraction form
4,128,432.67/6,191,071.19 = 1,358,055.97/x - Step 3: Cross multiply
4,128,432.67x = 6,191,071.19 × 1,358,055.97 - Step 4: Simplify right side
4,128,432.67x = 8,407,821,190,274.51 - Step 5: Solve for x
x = 8,407,821,190,274.51/4,128,432.67 - Step 6: Final answer
x = 2,036,564.93
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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.