Finding the Fourth Proportional to 2,065,615.17, 2,849,716.55 and 1,248,400.07
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Solution
The fourth proportional to 2,065,615.17, 2,849,716.55 and 1,248,400.07 is: 1,722,289.02
Step by Step Solution
- Step 1: Write the proportion equation
2,065,615.17 : 2,849,716.55 = 1,248,400.07 : x - Step 2: Convert to fraction form
2,065,615.17/2,849,716.55 = 1,248,400.07/x - Step 3: Cross multiply
2,065,615.17x = 2,849,716.55 × 1,248,400.07 - Step 4: Simplify right side
2,065,615.17x = 3,557,586,336,496.87 - Step 5: Solve for x
x = 3,557,586,336,496.87/2,065,615.17 - Step 6: Final answer
x = 1,722,289.02
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1.5x scale
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.