Finding the Fourth Proportional to 2,520,329.84, 3,478,060.68 and 1,432,608.08
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Solution
The fourth proportional to 2,520,329.84, 3,478,060.68 and 1,432,608.08 is: 1,977,002.28
Step by Step Solution
- Step 1: Write the proportion equation
2,520,329.84 : 3,478,060.68 = 1,432,608.08 : x - Step 2: Convert to fraction form
2,520,329.84/3,478,060.68 = 1,432,608.08/x - Step 3: Cross multiply
2,520,329.84x = 3,478,060.68 × 1,432,608.08 - Step 4: Simplify right side
2,520,329.84x = 4,982,697,832,898.30 - Step 5: Solve for x
x = 4,982,697,832,898.30/2,520,329.84 - Step 6: Final answer
x = 1,977,002.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.