Finding the Fourth Proportional to 3,565,829.28, 5,349,531.36 and 1,321,967.28
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Solution
The fourth proportional to 3,565,829.28, 5,349,531.36 and 1,321,967.28 is: 1,983,242.85
Step by Step Solution
- Step 1: Write the proportion equation
3,565,829.28 : 5,349,531.36 = 1,321,967.28 : x - Step 2: Convert to fraction form
3,565,829.28/5,349,531.36 = 1,321,967.28/x - Step 3: Cross multiply
3,565,829.28x = 5,349,531.36 × 1,321,967.28 - Step 4: Simplify right side
3,565,829.28x = 7,071,905,421,253.90 - Step 5: Solve for x
x = 7,071,905,421,253.90/3,565,829.28 - Step 6: Final answer
x = 1,983,242.85
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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.