Finding the Fourth Proportional to 5,590,132.84, 7,714,656.66 and 3,143,513.80
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Solution
The fourth proportional to 5,590,132.84, 7,714,656.66 and 3,143,513.80 is: 4,338,202.75
Step by Step Solution
- Step 1: Write the proportion equation
5,590,132.84 : 7,714,656.66 = 3,143,513.80 : x - Step 2: Convert to fraction form
5,590,132.84/7,714,656.66 = 3,143,513.80/x - Step 3: Cross multiply
5,590,132.84x = 7,714,656.66 × 3,143,513.80 - Step 4: Simplify right side
5,590,132.84x = 24,251,129,672,971.91 - Step 5: Solve for x
x = 24,251,129,672,971.91/5,590,132.84 - Step 6: Final answer
x = 4,338,202.75
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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.