Finding the Fourth Proportional to 1,472,283.90, 2,031,739.56 and 827,706.96
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Solution
The fourth proportional to 1,472,283.90, 2,031,739.56 and 827,706.96 is: 1,142,228.73
Step by Step Solution
- Step 1: Write the proportion equation
1,472,283.90 : 2,031,739.56 = 827,706.96 : x - Step 2: Convert to fraction form
1,472,283.90/2,031,739.56 = 827,706.96/x - Step 3: Cross multiply
1,472,283.90x = 2,031,739.56 × 827,706.96 - Step 4: Simplify right side
1,472,283.90x = 1,681,684,974,719.34 - Step 5: Solve for x
x = 1,681,684,974,719.34/1,472,283.90 - Step 6: Final answer
x = 1,142,228.73
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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.