Finding the Fourth Proportional to 2,147,303.18, 3,220,423.52 and 1,282,974.05
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Solution
The fourth proportional to 2,147,303.18, 3,220,423.52 and 1,282,974.05 is: 1,924,143.66
Step by Step Solution
- Step 1: Write the proportion equation
2,147,303.18 : 3,220,423.52 = 1,282,974.05 : x - Step 2: Convert to fraction form
2,147,303.18/3,220,423.52 = 1,282,974.05/x - Step 3: Cross multiply
2,147,303.18x = 3,220,423.52 × 1,282,974.05 - Step 4: Simplify right side
2,147,303.18x = 4,131,719,807,805.85 - Step 5: Solve for x
x = 4,131,719,807,805.85/2,147,303.18 - Step 6: Final answer
x = 1,924,143.66
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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.