Finding the Fourth Proportional to 2,842,702.74, 3,922,939.89 and 1,553,542.79
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Solution
The fourth proportional to 2,842,702.74, 3,922,939.89 and 1,553,542.79 is: 2,143,894.57
Step by Step Solution
- Step 1: Write the proportion equation
2,842,702.74 : 3,922,939.89 = 1,553,542.79 : x - Step 2: Convert to fraction form
2,842,702.74/3,922,939.89 = 1,553,542.79/x - Step 3: Cross multiply
2,842,702.74x = 3,922,939.89 × 1,553,542.79 - Step 4: Simplify right side
2,842,702.74x = 6,094,454,962,098.19 - Step 5: Solve for x
x = 6,094,454,962,098.19/2,842,702.74 - Step 6: Final answer
x = 2,143,894.57
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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.