Finding the Fourth Proportional to 2,379,002.79, 3,283,027.14 and 1,291,274.58
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Solution
The fourth proportional to 2,379,002.79, 3,283,027.14 and 1,291,274.58 is: 1,781,960.71
Step by Step Solution
- Step 1: Write the proportion equation
2,379,002.79 : 3,283,027.14 = 1,291,274.58 : x - Step 2: Convert to fraction form
2,379,002.79/3,283,027.14 = 1,291,274.58/x - Step 3: Cross multiply
2,379,002.79x = 3,283,027.14 × 1,291,274.58 - Step 4: Simplify right side
2,379,002.79x = 4,239,289,491,332.10 - Step 5: Solve for x
x = 4,239,289,491,332.10/2,379,002.79 - Step 6: Final answer
x = 1,781,960.71
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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.