Finding the Fourth Proportional to 2,487,000.70, 3,730,501.05 and 889,615.90
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Solution
The fourth proportional to 2,487,000.70, 3,730,501.05 and 889,615.90 is: 1,334,423.85
Step by Step Solution
- Step 1: Write the proportion equation
2,487,000.70 : 3,730,501.05 = 889,615.90 : x - Step 2: Convert to fraction form
2,487,000.70/3,730,501.05 = 889,615.90/x - Step 3: Cross multiply
2,487,000.70x = 3,730,501.05 × 889,615.90 - Step 4: Simplify right side
2,487,000.70x = 3,318,713,049,046.70 - Step 5: Solve for x
x = 3,318,713,049,046.70/2,487,000.70 - Step 6: Final answer
x = 1,334,423.85
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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.