Finding the Fourth Proportional to 1,884,781.49, 2,805,854.92 and 1,873,571.49
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Solution
The fourth proportional to 1,884,781.49, 2,805,854.92 and 1,873,571.49 is: 2,789,166.71
Step by Step Solution
- Step 1: Write the proportion equation
1,884,781.49 : 2,805,854.92 = 1,873,571.49 : x - Step 2: Convert to fraction form
1,884,781.49/2,805,854.92 = 1,873,571.49/x - Step 3: Cross multiply
1,884,781.49x = 2,805,854.92 × 1,873,571.49 - Step 4: Simplify right side
1,884,781.49x = 5,256,969,778,504.30 - Step 5: Solve for x
x = 5,256,969,778,504.30/1,884,781.49 - Step 6: Final answer
x = 2,789,166.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.