Finding the Fourth Proportional to 2,170,288.49, 2,995,132.55 and 1,203,418.85
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Solution
The fourth proportional to 2,170,288.49, 2,995,132.55 and 1,203,418.85 is: 1,660,792.55
Step by Step Solution
- Step 1: Write the proportion equation
2,170,288.49 : 2,995,132.55 = 1,203,418.85 : x - Step 2: Convert to fraction form
2,170,288.49/2,995,132.55 = 1,203,418.85/x - Step 3: Cross multiply
2,170,288.49x = 2,995,132.55 × 1,203,418.85 - Step 4: Simplify right side
2,170,288.49x = 3,604,398,947,925.81 - Step 5: Solve for x
x = 3,604,398,947,925.81/2,170,288.49 - Step 6: Final answer
x = 1,660,792.55
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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.