Finding the Fourth Proportional to 1,464,243.82, 2,020,698.65 and 819,660.18
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Solution
The fourth proportional to 1,464,243.82, 2,020,698.65 and 819,660.18 is: 1,131,154.66
Step by Step Solution
- Step 1: Write the proportion equation
1,464,243.82 : 2,020,698.65 = 819,660.18 : x - Step 2: Convert to fraction form
1,464,243.82/2,020,698.65 = 819,660.18/x - Step 3: Cross multiply
1,464,243.82x = 2,020,698.65 × 819,660.18 - Step 4: Simplify right side
1,464,243.82x = 1,656,286,219,184.76 - Step 5: Solve for x
x = 1,656,286,219,184.76/1,464,243.82 - Step 6: Final answer
x = 1,131,154.66
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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.