Finding the Fourth Proportional to 2,537,818.72, 3,502,192.08 and 1,391,921.44
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Solution
The fourth proportional to 2,537,818.72, 3,502,192.08 and 1,391,921.44 is: 1,920,852.82
Step by Step Solution
- Step 1: Write the proportion equation
2,537,818.72 : 3,502,192.08 = 1,391,921.44 : x - Step 2: Convert to fraction form
2,537,818.72/3,502,192.08 = 1,391,921.44/x - Step 3: Cross multiply
2,537,818.72x = 3,502,192.08 × 1,391,921.44 - Step 4: Simplify right side
2,537,818.72x = 4,874,776,243,150.20 - Step 5: Solve for x
x = 4,874,776,243,150.20/2,537,818.72 - Step 6: Final answer
x = 1,920,852.82
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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.