Finding the Fourth Proportional to 2,492,528.26, 3,439,698.40 and 1,575,165.08
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Solution
The fourth proportional to 2,492,528.26, 3,439,698.40 and 1,575,165.08 is: 2,173,733.75
Step by Step Solution
- Step 1: Write the proportion equation
2,492,528.26 : 3,439,698.40 = 1,575,165.08 : x - Step 2: Convert to fraction form
2,492,528.26/3,439,698.40 = 1,575,165.08/x - Step 3: Cross multiply
2,492,528.26x = 3,439,698.40 × 1,575,165.08 - Step 4: Simplify right side
2,492,528.26x = 5,418,092,805,411.87 - Step 5: Solve for x
x = 5,418,092,805,411.87/2,492,528.26 - Step 6: Final answer
x = 2,173,733.75
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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.