Finding the Fourth Proportional to 5,686,915.04, 7,847,943.12 and 3,108,606.08
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Solution
The fourth proportional to 5,686,915.04, 7,847,943.12 and 3,108,606.08 is: 4,289,876.59
Step by Step Solution
- Step 1: Write the proportion equation
5,686,915.04 : 7,847,943.12 = 3,108,606.08 : x - Step 2: Convert to fraction form
5,686,915.04/7,847,943.12 = 3,108,606.08/x - Step 3: Cross multiply
5,686,915.04x = 7,847,943.12 × 3,108,606.08 - Step 4: Simplify right side
5,686,915.04x = 24,396,163,698,326.17 - Step 5: Solve for x
x = 24,396,163,698,326.17/5,686,915.04 - Step 6: Final answer
x = 4,289,876.59
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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.