Finding the Fourth Proportional to 2,657,141.70, 3,986,101.35 and 859,719.30
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Solution
The fourth proportional to 2,657,141.70, 3,986,101.35 and 859,719.30 is: 1,289,704.75
Step by Step Solution
- Step 1: Write the proportion equation
2,657,141.70 : 3,986,101.35 = 859,719.30 : x - Step 2: Convert to fraction form
2,657,141.70/3,986,101.35 = 859,719.30/x - Step 3: Cross multiply
2,657,141.70x = 3,986,101.35 × 859,719.30 - Step 4: Simplify right side
2,657,141.70x = 3,426,928,262,351.06 - Step 5: Solve for x
x = 3,426,928,262,351.06/2,657,141.70 - Step 6: Final answer
x = 1,289,704.75
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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.