Finding the Fourth Proportional to 2,947,468.95, 4,421,203.14 and 817,553.16
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Solution
The fourth proportional to 2,947,468.95, 4,421,203.14 and 817,553.16 is: 1,226,329.66
Step by Step Solution
- Step 1: Write the proportion equation
2,947,468.95 : 4,421,203.14 = 817,553.16 : x - Step 2: Convert to fraction form
2,947,468.95/4,421,203.14 = 817,553.16/x - Step 3: Cross multiply
2,947,468.95x = 4,421,203.14 × 817,553.16 - Step 4: Simplify right side
2,947,468.95x = 3,614,568,598,108.92 - Step 5: Solve for x
x = 3,614,568,598,108.92/2,947,468.95 - Step 6: Final answer
x = 1,226,329.66
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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.