Finding the Fourth Proportional to 2,685,371.40, 3,707,148.06 and 1,768,192.20
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Solution
The fourth proportional to 2,685,371.40, 3,707,148.06 and 1,768,192.20 is: 2,440,984.62
Step by Step Solution
- Step 1: Write the proportion equation
2,685,371.40 : 3,707,148.06 = 1,768,192.20 : x - Step 2: Convert to fraction form
2,685,371.40/3,707,148.06 = 1,768,192.20/x - Step 3: Cross multiply
2,685,371.40x = 3,707,148.06 × 1,768,192.20 - Step 4: Simplify right side
2,685,371.40x = 6,554,950,283,937.13 - Step 5: Solve for x
x = 6,554,950,283,937.13/2,685,371.40 - Step 6: Final answer
x = 2,440,984.62
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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.