Finding the Fourth Proportional to 5,452,403.70, 8,178,605.55 and 4,920,962.70
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Solution
The fourth proportional to 5,452,403.70, 8,178,605.55 and 4,920,962.70 is: 7,381,444.05
Step by Step Solution
- Step 1: Write the proportion equation
5,452,403.70 : 8,178,605.55 = 4,920,962.70 : x - Step 2: Convert to fraction form
5,452,403.70/8,178,605.55 = 4,920,962.70/x - Step 3: Cross multiply
5,452,403.70x = 8,178,605.55 × 4,920,962.70 - Step 4: Simplify right side
5,452,403.70x = 40,246,612,849,562.98 - Step 5: Solve for x
x = 40,246,612,849,562.98/5,452,403.70 - Step 6: Final answer
x = 7,381,444.05
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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.