Finding the Fourth Proportional to 1,687,092.84, 2,328,185.61 and 912,721.14
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Solution
The fourth proportional to 1,687,092.84, 2,328,185.61 and 912,721.14 is: 1,259,553.82
Step by Step Solution
- Step 1: Write the proportion equation
1,687,092.84 : 2,328,185.61 = 912,721.14 : x - Step 2: Convert to fraction form
1,687,092.84/2,328,185.61 = 912,721.14/x - Step 3: Cross multiply
1,687,092.84x = 2,328,185.61 × 912,721.14 - Step 4: Simplify right side
1,687,092.84x = 2,124,984,224,090.80 - Step 5: Solve for x
x = 2,124,984,224,090.80/1,687,092.84 - Step 6: Final answer
x = 1,259,553.82
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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.