Finding the Fourth Proportional to 1,616,637.23, 2,230,974.42 and 891,510.05
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Solution
The fourth proportional to 1,616,637.23, 2,230,974.42 and 891,510.05 is: 1,230,292.16
Step by Step Solution
- Step 1: Write the proportion equation
1,616,637.23 : 2,230,974.42 = 891,510.05 : x - Step 2: Convert to fraction form
1,616,637.23/2,230,974.42 = 891,510.05/x - Step 3: Cross multiply
1,616,637.23x = 2,230,974.42 × 891,510.05 - Step 4: Simplify right side
1,616,637.23x = 1,988,936,108,915.25 - Step 5: Solve for x
x = 1,988,936,108,915.25/1,616,637.23 - Step 6: Final answer
x = 1,230,292.16
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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.