Finding the Fourth Proportional to 5,177,926.16, 7,765,643.12 and 1,583,724.16
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Solution
The fourth proportional to 5,177,926.16, 7,765,643.12 and 1,583,724.16 is: 2,375,205.10
Step by Step Solution
- Step 1: Write the proportion equation
5,177,926.16 : 7,765,643.12 = 1,583,724.16 : x - Step 2: Convert to fraction form
5,177,926.16/7,765,643.12 = 1,583,724.16/x - Step 3: Cross multiply
5,177,926.16x = 7,765,643.12 × 1,583,724.16 - Step 4: Simplify right side
5,177,926.16x = 12,298,636,627,081.78 - Step 5: Solve for x
x = 12,298,636,627,081.78/5,177,926.16 - Step 6: Final answer
x = 2,375,205.10
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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.