Finding the Fourth Proportional to 1,537,848.38, 2,122,248.57 and 849,505.97
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Solution
The fourth proportional to 1,537,848.38, 2,122,248.57 and 849,505.97 is: 1,172,328.08
Step by Step Solution
- Step 1: Write the proportion equation
1,537,848.38 : 2,122,248.57 = 849,505.97 : x - Step 2: Convert to fraction form
1,537,848.38/2,122,248.57 = 849,505.97/x - Step 3: Cross multiply
1,537,848.38x = 2,122,248.57 × 849,505.97 - Step 4: Simplify right side
1,537,848.38x = 1,802,862,830,038.96 - Step 5: Solve for x
x = 1,802,862,830,038.96/1,537,848.38 - Step 6: Final answer
x = 1,172,328.08
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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.