Finding the Fourth Proportional to 1,472,208.48, 2,031,719.76 and 827,830.80
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Solution
The fourth proportional to 1,472,208.48, 2,031,719.76 and 827,830.80 is: 1,142,447.02
Step by Step Solution
- Step 1: Write the proportion equation
1,472,208.48 : 2,031,719.76 = 827,830.80 : x - Step 2: Convert to fraction form
1,472,208.48/2,031,719.76 = 827,830.80/x - Step 3: Cross multiply
1,472,208.48x = 2,031,719.76 × 827,830.80 - Step 4: Simplify right side
1,472,208.48x = 1,681,920,194,296.61 - Step 5: Solve for x
x = 1,681,920,194,296.61/1,472,208.48 - Step 6: Final answer
x = 1,142,447.02
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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.