Finding the Fourth Proportional to 2,085,695.40, 2,878,551.24 and 1,506,791.49
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Solution
The fourth proportional to 2,085,695.40, 2,878,551.24 and 1,506,791.49 is: 2,079,582.91
Step by Step Solution
- Step 1: Write the proportion equation
2,085,695.40 : 2,878,551.24 = 1,506,791.49 : x - Step 2: Convert to fraction form
2,085,695.40/2,878,551.24 = 1,506,791.49/x - Step 3: Cross multiply
2,085,695.40x = 2,878,551.24 × 1,506,791.49 - Step 4: Simplify right side
2,085,695.40x = 4,337,376,497,568.19 - Step 5: Solve for x
x = 4,337,376,497,568.19/2,085,695.40 - Step 6: Final answer
x = 2,079,582.91
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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.