Finding the Fourth Proportional to 4,212,686.16, 5,813,494.24 and 2,278,946.24
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Solution
The fourth proportional to 4,212,686.16, 5,813,494.24 and 2,278,946.24 is: 3,144,938.96
Step by Step Solution
- Step 1: Write the proportion equation
4,212,686.16 : 5,813,494.24 = 2,278,946.24 : x - Step 2: Convert to fraction form
4,212,686.16/5,813,494.24 = 2,278,946.24/x - Step 3: Cross multiply
4,212,686.16x = 5,813,494.24 × 2,278,946.24 - Step 4: Simplify right side
4,212,686.16x = 13,248,640,839,509.66 - Step 5: Solve for x
x = 13,248,640,839,509.66/4,212,686.16 - Step 6: Final answer
x = 3,144,938.96
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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.