Finding the Fourth Proportional to 2,687,341.08, 3,709,013.58 and 1,541,800.20
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Solution
The fourth proportional to 2,687,341.08, 3,709,013.58 and 1,541,800.20 is: 2,127,961.32
Step by Step Solution
- Step 1: Write the proportion equation
2,687,341.08 : 3,709,013.58 = 1,541,800.20 : x - Step 2: Convert to fraction form
2,687,341.08/3,709,013.58 = 1,541,800.20/x - Step 3: Cross multiply
2,687,341.08x = 3,709,013.58 × 1,541,800.20 - Step 4: Simplify right side
2,687,341.08x = 5,718,557,879,446.72 - Step 5: Solve for x
x = 5,718,557,879,446.72/2,687,341.08 - Step 6: Final answer
x = 2,127,961.32
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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.