Finding the Fourth Proportional to 3,750,420.98, 5,175,605.80 and 2,031,541.48
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Solution
The fourth proportional to 3,750,420.98, 5,175,605.80 and 2,031,541.48 is: 2,803,540.70
Step by Step Solution
- Step 1: Write the proportion equation
3,750,420.98 : 5,175,605.80 = 2,031,541.48 : x - Step 2: Convert to fraction form
3,750,420.98/5,175,605.80 = 2,031,541.48/x - Step 3: Cross multiply
3,750,420.98x = 5,175,605.80 × 2,031,541.48 - Step 4: Simplify right side
3,750,420.98x = 10,514,457,866,828.58 - Step 5: Solve for x
x = 10,514,457,866,828.58/3,750,420.98 - Step 6: Final answer
x = 2,803,540.70
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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.