Finding the Fourth Proportional to 1,625,438.90, 2,438,318.73 and 560,340.74
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Solution
The fourth proportional to 1,625,438.90, 2,438,318.73 and 560,340.74 is: 840,566.39
Step by Step Solution
- Step 1: Write the proportion equation
1,625,438.90 : 2,438,318.73 = 560,340.74 : x - Step 2: Convert to fraction form
1,625,438.90/2,438,318.73 = 560,340.74/x - Step 3: Cross multiply
1,625,438.90x = 2,438,318.73 × 560,340.74 - Step 4: Simplify right side
1,625,438.90x = 1,366,289,309,332.47 - Step 5: Solve for x
x = 1,366,289,309,332.47/1,625,438.90 - Step 6: Final answer
x = 840,566.39
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1.5x scale
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.