Finding the Fourth Proportional to 2,117,406.47, 3,176,120.41 and 519,970.19
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Solution
The fourth proportional to 2,117,406.47, 3,176,120.41 and 519,970.19 is: 779,957.91
Step by Step Solution
- Step 1: Write the proportion equation
2,117,406.47 : 3,176,120.41 = 519,970.19 : x - Step 2: Convert to fraction form
2,117,406.47/3,176,120.41 = 519,970.19/x - Step 3: Cross multiply
2,117,406.47x = 3,176,120.41 × 519,970.19 - Step 4: Simplify right side
2,117,406.47x = 1,651,487,918,794.88 - Step 5: Solve for x
x = 1,651,487,918,794.88/2,117,406.47 - Step 6: Final answer
x = 779,957.91
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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.