Finding the Fourth Proportional to 1,938,827.40, 2,906,219.49 and 1,084,646.70
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Solution
The fourth proportional to 1,938,827.40, 2,906,219.49 and 1,084,646.70 is: 1,625,839.09
Step by Step Solution
- Step 1: Write the proportion equation
1,938,827.40 : 2,906,219.49 = 1,084,646.70 : x - Step 2: Convert to fraction form
1,938,827.40/2,906,219.49 = 1,084,646.70/x - Step 3: Cross multiply
1,938,827.40x = 2,906,219.49 × 1,084,646.70 - Step 4: Simplify right side
1,938,827.40x = 3,152,221,379,304.18 - Step 5: Solve for x
x = 3,152,221,379,304.18/1,938,827.40 - Step 6: Final answer
x = 1,625,839.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.