Finding the Fourth Proportional to 5,056,961.42, 7,583,860.98 and 1,690,381.10
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Solution
The fourth proportional to 5,056,961.42, 7,583,860.98 and 1,690,381.10 is: 2,535,043.12
Step by Step Solution
- Step 1: Write the proportion equation
5,056,961.42 : 7,583,860.98 = 1,690,381.10 : x - Step 2: Convert to fraction form
5,056,961.42/7,583,860.98 = 1,690,381.10/x - Step 3: Cross multiply
5,056,961.42x = 7,583,860.98 × 1,690,381.10 - Step 4: Simplify right side
5,056,961.42x = 12,819,615,227,700.17 - Step 5: Solve for x
x = 12,819,615,227,700.17/5,056,961.42 - Step 6: Final answer
x = 2,535,043.12
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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.