Finding the Fourth Proportional to 1,579,278.74, 2,179,404.67 and 854,126.46
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Solution
The fourth proportional to 1,579,278.74, 2,179,404.67 and 854,126.46 is: 1,178,694.52
Step by Step Solution
- Step 1: Write the proportion equation
1,579,278.74 : 2,179,404.67 = 854,126.46 : x - Step 2: Convert to fraction form
1,579,278.74/2,179,404.67 = 854,126.46/x - Step 3: Cross multiply
1,579,278.74x = 2,179,404.67 × 854,126.46 - Step 4: Simplify right side
1,579,278.74x = 1,861,487,197,228.71 - Step 5: Solve for x
x = 1,861,487,197,228.71/1,579,278.74 - Step 6: Final answer
x = 1,178,694.52
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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.