Finding the Fourth Proportional to 1,537,725.61, 2,121,635.45 and 884,316.12
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Solution
The fourth proportional to 1,537,725.61, 2,121,635.45 and 884,316.12 is: 1,220,111.32
Step by Step Solution
- Step 1: Write the proportion equation
1,537,725.61 : 2,121,635.45 = 884,316.12 : x - Step 2: Convert to fraction form
1,537,725.61/2,121,635.45 = 884,316.12/x - Step 3: Cross multiply
1,537,725.61x = 2,121,635.45 × 884,316.12 - Step 4: Simplify right side
1,537,725.61x = 1,876,196,424,776.87 - Step 5: Solve for x
x = 1,876,196,424,776.87/1,537,725.61 - Step 6: Final answer
x = 1,220,111.32
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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.