Finding the Fourth Proportional to 5,637,099.12, 8,455,574.85 and 1,377,304.26
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Solution
The fourth proportional to 5,637,099.12, 8,455,574.85 and 1,377,304.26 is: 2,065,938.35
Step by Step Solution
- Step 1: Write the proportion equation
5,637,099.12 : 8,455,574.85 = 1,377,304.26 : x - Step 2: Convert to fraction form
5,637,099.12/8,455,574.85 = 1,377,304.26/x - Step 3: Cross multiply
5,637,099.12x = 8,455,574.85 × 1,377,304.26 - Step 4: Simplify right side
5,637,099.12x = 11,645,899,261,653.86 - Step 5: Solve for x
x = 11,645,899,261,653.86/5,637,099.12 - Step 6: Final answer
x = 2,065,938.35
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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.