Finding the Fourth Proportional to 4,772,071.68, 6,585,614.40 and 2,735,265.60
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Solution
The fourth proportional to 4,772,071.68, 6,585,614.40 and 2,735,265.60 is: 3,774,755.65
Step by Step Solution
- Step 1: Write the proportion equation
4,772,071.68 : 6,585,614.40 = 2,735,265.60 : x - Step 2: Convert to fraction form
4,772,071.68/6,585,614.40 = 2,735,265.60/x - Step 3: Cross multiply
4,772,071.68x = 6,585,614.40 × 2,735,265.60 - Step 4: Simplify right side
4,772,071.68x = 18,013,404,523,184.64 - Step 5: Solve for x
x = 18,013,404,523,184.64/4,772,071.68 - Step 6: Final answer
x = 3,774,755.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.