Finding the Fourth Proportional to 1,999,136.04, 2,755,938.11 and 1,425,179.76
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Solution
The fourth proportional to 1,999,136.04, 2,755,938.11 and 1,425,179.76 is: 1,964,702.32
Step by Step Solution
- Step 1: Write the proportion equation
1,999,136.04 : 2,755,938.11 = 1,425,179.76 : x - Step 2: Convert to fraction form
1,999,136.04/2,755,938.11 = 1,425,179.76/x - Step 3: Cross multiply
1,999,136.04x = 2,755,938.11 × 1,425,179.76 - Step 4: Simplify right side
1,999,136.04x = 3,927,707,207,058.76 - Step 5: Solve for x
x = 3,927,707,207,058.76/1,999,136.04 - Step 6: Final answer
x = 1,964,702.32
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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.