Finding the Fourth Proportional to 1,622,121.12, 2,433,320.08 and 424,041.52
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Solution
The fourth proportional to 1,622,121.12, 2,433,320.08 and 424,041.52 is: 636,098.46
Step by Step Solution
- Step 1: Write the proportion equation
1,622,121.12 : 2,433,320.08 = 424,041.52 : x - Step 2: Convert to fraction form
1,622,121.12/2,433,320.08 = 424,041.52/x - Step 3: Cross multiply
1,622,121.12x = 2,433,320.08 × 424,041.52 - Step 4: Simplify right side
1,622,121.12x = 1,031,828,745,369.72 - Step 5: Solve for x
x = 1,031,828,745,369.72/1,622,121.12 - Step 6: Final answer
x = 636,098.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.