Finding the Fourth Proportional to 1,717,780.74, 2,576,338.65 and 519,422.10
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Solution
The fourth proportional to 1,717,780.74, 2,576,338.65 and 519,422.10 is: 779,032.62
Step by Step Solution
- Step 1: Write the proportion equation
1,717,780.74 : 2,576,338.65 = 519,422.10 : x - Step 2: Convert to fraction form
1,717,780.74/2,576,338.65 = 519,422.10/x - Step 3: Cross multiply
1,717,780.74x = 2,576,338.65 × 519,422.10 - Step 4: Simplify right side
1,717,780.74x = 1,338,207,231,894.16 - Step 5: Solve for x
x = 1,338,207,231,894.16/1,717,780.74 - Step 6: Final answer
x = 779,032.62
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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.