Finding the Fourth Proportional to 1,612,577.09, 2,225,356.70 and 887,424.80
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Solution
The fourth proportional to 1,612,577.09, 2,225,356.70 and 887,424.80 is: 1,224,646.39
Step by Step Solution
- Step 1: Write the proportion equation
1,612,577.09 : 2,225,356.70 = 887,424.80 : x - Step 2: Convert to fraction form
1,612,577.09/2,225,356.70 = 887,424.80/x - Step 3: Cross multiply
1,612,577.09x = 2,225,356.70 × 887,424.80 - Step 4: Simplify right side
1,612,577.09x = 1,974,836,708,862.25 - Step 5: Solve for x
x = 1,974,836,708,862.25/1,612,577.09 - Step 6: Final answer
x = 1,224,646.39
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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.