Finding the Fourth Proportional to 4,289,825.34, 5,919,955.47 and 2,356,138.26
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Solution
The fourth proportional to 4,289,825.34, 5,919,955.47 and 2,356,138.26 is: 3,251,468.88
Step by Step Solution
- Step 1: Write the proportion equation
4,289,825.34 : 5,919,955.47 = 2,356,138.26 : x - Step 2: Convert to fraction form
4,289,825.34/5,919,955.47 = 2,356,138.26/x - Step 3: Cross multiply
4,289,825.34x = 5,919,955.47 × 2,356,138.26 - Step 4: Simplify right side
4,289,825.34x = 13,948,233,580,363.28 - Step 5: Solve for x
x = 13,948,233,580,363.28/4,289,825.34 - Step 6: Final answer
x = 3,251,468.88
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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.