Finding the Fourth Proportional to 1,690,343.10, 2,536,056.54 and 492,337.44
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Solution
The fourth proportional to 1,690,343.10, 2,536,056.54 and 492,337.44 is: 738,663.99
Step by Step Solution
- Step 1: Write the proportion equation
1,690,343.10 : 2,536,056.54 = 492,337.44 : x - Step 2: Convert to fraction form
1,690,343.10/2,536,056.54 = 492,337.44/x - Step 3: Cross multiply
1,690,343.10x = 2,536,056.54 × 492,337.44 - Step 4: Simplify right side
1,690,343.10x = 1,248,595,584,598.86 - Step 5: Solve for x
x = 1,248,595,584,598.86/1,690,343.10 - Step 6: Final answer
x = 738,663.99
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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.