Finding the Fourth Proportional to 2,679,423.30, 4,019,134.95 and 1,881,605.70
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Solution
The fourth proportional to 2,679,423.30, 4,019,134.95 and 1,881,605.70 is: 2,822,408.55
Step by Step Solution
- Step 1: Write the proportion equation
2,679,423.30 : 4,019,134.95 = 1,881,605.70 : x - Step 2: Convert to fraction form
2,679,423.30/4,019,134.95 = 1,881,605.70/x - Step 3: Cross multiply
2,679,423.30x = 4,019,134.95 × 1,881,605.70 - Step 4: Simplify right side
2,679,423.30x = 7,562,427,230,989.22 - Step 5: Solve for x
x = 7,562,427,230,989.22/2,679,423.30 - Step 6: Final answer
x = 2,822,408.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.