Finding the Fourth Proportional to 3,571,825.74, 5,358,476.74 and 1,175,814.15
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Solution
The fourth proportional to 3,571,825.74, 5,358,476.74 and 1,175,814.15 is: 1,763,964.21
Step by Step Solution
- Step 1: Write the proportion equation
3,571,825.74 : 5,358,476.74 = 1,175,814.15 : x - Step 2: Convert to fraction form
3,571,825.74/5,358,476.74 = 1,175,814.15/x - Step 3: Cross multiply
3,571,825.74x = 5,358,476.74 × 1,175,814.15 - Step 4: Simplify right side
3,571,825.74x = 6,300,572,773,337.87 - Step 5: Solve for x
x = 6,300,572,773,337.87/3,571,825.74 - Step 6: Final answer
x = 1,763,964.21
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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.