Finding the Fourth Proportional to 2,164,671.88, 2,987,562.47 and 1,246,722.37
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Solution
The fourth proportional to 2,164,671.88, 2,987,562.47 and 1,246,722.37 is: 1,720,658.44
Step by Step Solution
- Step 1: Write the proportion equation
2,164,671.88 : 2,987,562.47 = 1,246,722.37 : x - Step 2: Convert to fraction form
2,164,671.88/2,987,562.47 = 1,246,722.37/x - Step 3: Cross multiply
2,164,671.88x = 2,987,562.47 × 1,246,722.37 - Step 4: Simplify right side
2,164,671.88x = 3,724,660,941,950.03 - Step 5: Solve for x
x = 3,724,660,941,950.03/2,164,671.88 - Step 6: Final answer
x = 1,720,658.44
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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.