Finding the Fourth Proportional to 2,989,156.20, 4,125,126.70 and 1,700,182.28
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Solution
The fourth proportional to 2,989,156.20, 4,125,126.70 and 1,700,182.28 is: 2,346,303.39
Step by Step Solution
- Step 1: Write the proportion equation
2,989,156.20 : 4,125,126.70 = 1,700,182.28 : x - Step 2: Convert to fraction form
2,989,156.20/4,125,126.70 = 1,700,182.28/x - Step 3: Cross multiply
2,989,156.20x = 4,125,126.70 × 1,700,182.28 - Step 4: Simplify right side
2,989,156.20x = 7,013,467,318,094.88 - Step 5: Solve for x
x = 7,013,467,318,094.88/2,989,156.20 - Step 6: Final answer
x = 2,346,303.39
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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.