Finding the Fourth Proportional to 1,461,721.68, 2,017,190.88 and 817,177.68
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Solution
The fourth proportional to 1,461,721.68, 2,017,190.88 and 817,177.68 is: 1,127,713.56
Step by Step Solution
- Step 1: Write the proportion equation
1,461,721.68 : 2,017,190.88 = 817,177.68 : x - Step 2: Convert to fraction form
1,461,721.68/2,017,190.88 = 817,177.68/x - Step 3: Cross multiply
1,461,721.68x = 2,017,190.88 × 817,177.68 - Step 4: Simplify right side
1,461,721.68x = 1,648,403,363,435.56 - Step 5: Solve for x
x = 1,648,403,363,435.56/1,461,721.68 - Step 6: Final answer
x = 1,127,713.56
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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.