Finding the Fourth Proportional to 2,576,357.55, 3,865,143.29 and 779,255.91
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Solution
The fourth proportional to 2,576,357.55, 3,865,143.29 and 779,255.91 is: 1,169,067.45
Step by Step Solution
- Step 1: Write the proportion equation
2,576,357.55 : 3,865,143.29 = 779,255.91 : x - Step 2: Convert to fraction form
2,576,357.55/3,865,143.29 = 779,255.91/x - Step 3: Cross multiply
2,576,357.55x = 3,865,143.29 × 779,255.91 - Step 4: Simplify right side
2,576,357.55x = 3,011,935,747,833.06 - Step 5: Solve for x
x = 3,011,935,747,833.06/2,576,357.55 - Step 6: Final answer
x = 1,169,067.45
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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.