Finding the Fourth Proportional to 1,878,072.08, 2,591,739.63 and 1,062,258.21
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Solution
The fourth proportional to 1,878,072.08, 2,591,739.63 and 1,062,258.21 is: 1,465,916.42
Step by Step Solution
- Step 1: Write the proportion equation
1,878,072.08 : 2,591,739.63 = 1,062,258.21 : x - Step 2: Convert to fraction form
1,878,072.08/2,591,739.63 = 1,062,258.21/x - Step 3: Cross multiply
1,878,072.08x = 2,591,739.63 × 1,062,258.21 - Step 4: Simplify right side
1,878,072.08x = 2,753,096,700,149.86 - Step 5: Solve for x
x = 2,753,096,700,149.86/1,878,072.08 - Step 6: Final answer
x = 1,465,916.42
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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.