Finding the Fourth Proportional to 1,537,790.34, 2,122,215.09 and 884,416.80
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Solution
The fourth proportional to 1,537,790.34, 2,122,215.09 and 884,416.80 is: 1,220,532.23
Step by Step Solution
- Step 1: Write the proportion equation
1,537,790.34 : 2,122,215.09 = 884,416.80 : x - Step 2: Convert to fraction form
1,537,790.34/2,122,215.09 = 884,416.80/x - Step 3: Cross multiply
1,537,790.34x = 2,122,215.09 × 884,416.80 - Step 4: Simplify right side
1,537,790.34x = 1,876,922,678,809.51 - Step 5: Solve for x
x = 1,876,922,678,809.51/1,537,790.34 - Step 6: Final answer
x = 1,220,532.23
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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.