Finding the Fourth Proportional to 2,841,120.72, 3,920,681.34 and 1,551,966.84
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Solution
The fourth proportional to 2,841,120.72, 3,920,681.34 and 1,551,966.84 is: 2,141,678.59
Step by Step Solution
- Step 1: Write the proportion equation
2,841,120.72 : 3,920,681.34 = 1,551,966.84 : x - Step 2: Convert to fraction form
2,841,120.72/3,920,681.34 = 1,551,966.84/x - Step 3: Cross multiply
2,841,120.72x = 3,920,681.34 × 1,551,966.84 - Step 4: Simplify right side
2,841,120.72x = 6,084,767,429,886.77 - Step 5: Solve for x
x = 6,084,767,429,886.77/2,841,120.72 - Step 6: Final answer
x = 2,141,678.59
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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.