Finding the Fourth Proportional to 1,660,885.13, 2,292,021.50 and 896,938.69
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Solution
The fourth proportional to 1,660,885.13, 2,292,021.50 and 896,938.69 is: 1,237,775.40
Step by Step Solution
- Step 1: Write the proportion equation
1,660,885.13 : 2,292,021.50 = 896,938.69 : x - Step 2: Convert to fraction form
1,660,885.13/2,292,021.50 = 896,938.69/x - Step 3: Cross multiply
1,660,885.13x = 2,292,021.50 × 896,938.69 - Step 4: Simplify right side
1,660,885.13x = 2,055,802,755,744.63 - Step 5: Solve for x
x = 2,055,802,755,744.63/1,660,885.13 - Step 6: Final answer
x = 1,237,775.40
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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.