Finding the Fourth Proportional to 1,528,261.57, 2,108,956.49 and 874,865.54
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Solution
The fourth proportional to 1,528,261.57, 2,108,956.49 and 874,865.54 is: 1,207,288.97
Step by Step Solution
- Step 1: Write the proportion equation
1,528,261.57 : 2,108,956.49 = 874,865.54 : x - Step 2: Convert to fraction form
1,528,261.57/2,108,956.49 = 874,865.54/x - Step 3: Cross multiply
1,528,261.57x = 2,108,956.49 × 874,865.54 - Step 4: Simplify right side
1,528,261.57x = 1,845,053,343,541.24 - Step 5: Solve for x
x = 1,845,053,343,541.24/1,528,261.57 - Step 6: Final answer
x = 1,207,288.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.