Finding the Fourth Proportional to 2,816,874.12, 4,225,237.20 and 795,257.76
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Solution
The fourth proportional to 2,816,874.12, 4,225,237.20 and 795,257.76 is: 1,192,865.75
Step by Step Solution
- Step 1: Write the proportion equation
2,816,874.12 : 4,225,237.20 = 795,257.76 : x - Step 2: Convert to fraction form
2,816,874.12/4,225,237.20 = 795,257.76/x - Step 3: Cross multiply
2,816,874.12x = 4,225,237.20 × 795,257.76 - Step 4: Simplify right side
2,816,874.12x = 3,360,152,671,140.67 - Step 5: Solve for x
x = 3,360,152,671,140.67/2,816,874.12 - Step 6: Final answer
x = 1,192,865.75
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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.