Finding the Fourth Proportional to 1,805,513.88, 2,491,685.48 and 1,031,272.12
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Solution
The fourth proportional to 1,805,513.88, 2,491,685.48 and 1,031,272.12 is: 1,423,199.12
Step by Step Solution
- Step 1: Write the proportion equation
1,805,513.88 : 2,491,685.48 = 1,031,272.12 : x - Step 2: Convert to fraction form
1,805,513.88/2,491,685.48 = 1,031,272.12/x - Step 3: Cross multiply
1,805,513.88x = 2,491,685.48 × 1,031,272.12 - Step 4: Simplify right side
1,805,513.88x = 2,569,605,767,332.82 - Step 5: Solve for x
x = 2,569,605,767,332.82/1,805,513.88 - Step 6: Final answer
x = 1,423,199.12
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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.