Finding the Fourth Proportional to 1,472,017.44, 2,031,395.22 and 818,652.54
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Solution
The fourth proportional to 1,472,017.44, 2,031,395.22 and 818,652.54 is: 1,129,746.71
Step by Step Solution
- Step 1: Write the proportion equation
1,472,017.44 : 2,031,395.22 = 818,652.54 : x - Step 2: Convert to fraction form
1,472,017.44/2,031,395.22 = 818,652.54/x - Step 3: Cross multiply
1,472,017.44x = 2,031,395.22 × 818,652.54 - Step 4: Simplify right side
1,472,017.44x = 1,663,006,856,596.86 - Step 5: Solve for x
x = 1,663,006,856,596.86/1,472,017.44 - Step 6: Final answer
x = 1,129,746.71
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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.