Finding the Fourth Proportional to 1,489,551.06, 2,055,731.76 and 877,900.80
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Solution
The fourth proportional to 1,489,551.06, 2,055,731.76 and 877,900.80 is: 1,211,592.27
Step by Step Solution
- Step 1: Write the proportion equation
1,489,551.06 : 2,055,731.76 = 877,900.80 : x - Step 2: Convert to fraction form
1,489,551.06/2,055,731.76 = 877,900.80/x - Step 3: Cross multiply
1,489,551.06x = 2,055,731.76 × 877,900.80 - Step 4: Simplify right side
1,489,551.06x = 1,804,728,556,689.41 - Step 5: Solve for x
x = 1,804,728,556,689.41/1,489,551.06 - Step 6: Final answer
x = 1,211,592.27
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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.