Finding the Fourth Proportional to 2,996,631.21, 4,134,339.17 and 1,706,558.18
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Solution
The fourth proportional to 2,996,631.21, 4,134,339.17 and 1,706,558.18 is: 2,354,474.02
Step by Step Solution
- Step 1: Write the proportion equation
2,996,631.21 : 4,134,339.17 = 1,706,558.18 : x - Step 2: Convert to fraction form
2,996,631.21/4,134,339.17 = 1,706,558.18/x - Step 3: Cross multiply
2,996,631.21x = 4,134,339.17 × 1,706,558.18 - Step 4: Simplify right side
2,996,631.21x = 7,055,490,344,060.15 - Step 5: Solve for x
x = 7,055,490,344,060.15/2,996,631.21 - Step 6: Final answer
x = 2,354,474.02
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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.