Finding the Fourth Proportional to 2,147,574.95, 3,221,363.33 and 631,257.99
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Solution
The fourth proportional to 2,147,574.95, 3,221,363.33 and 631,257.99 is: 946,887.25
Step by Step Solution
- Step 1: Write the proportion equation
2,147,574.95 : 3,221,363.33 = 631,257.99 : x - Step 2: Convert to fraction form
2,147,574.95/3,221,363.33 = 631,257.99/x - Step 3: Cross multiply
2,147,574.95x = 3,221,363.33 × 631,257.99 - Step 4: Simplify right side
2,147,574.95x = 2,033,511,331,437.15 - Step 5: Solve for x
x = 2,033,511,331,437.15/2,147,574.95 - Step 6: Final answer
x = 946,887.25
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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.