Finding the Fourth Proportional to 2,690,247.96, 4,037,740.44 and 1,411,768.32
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Solution
The fourth proportional to 2,690,247.96, 4,037,740.44 and 1,411,768.32 is: 2,118,895.40
Step by Step Solution
- Step 1: Write the proportion equation
2,690,247.96 : 4,037,740.44 = 1,411,768.32 : x - Step 2: Convert to fraction form
2,690,247.96/4,037,740.44 = 1,411,768.32/x - Step 3: Cross multiply
2,690,247.96x = 4,037,740.44 × 1,411,768.32 - Step 4: Simplify right side
2,690,247.96x = 5,700,354,037,574.86 - Step 5: Solve for x
x = 5,700,354,037,574.86/2,690,247.96 - Step 6: Final answer
x = 2,118,895.40
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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.