Finding the Fourth Proportional to 2,637,579.62, 3,640,055.36 and 1,476,142.24
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Solution
The fourth proportional to 2,637,579.62, 3,640,055.36 and 1,476,142.24 is: 2,037,185.70
Step by Step Solution
- Step 1: Write the proportion equation
2,637,579.62 : 3,640,055.36 = 1,476,142.24 : x - Step 2: Convert to fraction form
2,637,579.62/3,640,055.36 = 1,476,142.24/x - Step 3: Cross multiply
2,637,579.62x = 3,640,055.36 × 1,476,142.24 - Step 4: Simplify right side
2,637,579.62x = 5,373,239,472,834.41 - Step 5: Solve for x
x = 5,373,239,472,834.41/2,637,579.62 - Step 6: Final answer
x = 2,037,185.70
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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.