Finding the Fourth Proportional to 2,769,437.80, 4,156,014.30 and 972,317.80
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Solution
The fourth proportional to 2,769,437.80, 4,156,014.30 and 972,317.80 is: 1,459,128.88
Step by Step Solution
- Step 1: Write the proportion equation
2,769,437.80 : 4,156,014.30 = 972,317.80 : x - Step 2: Convert to fraction form
2,769,437.80/4,156,014.30 = 972,317.80/x - Step 3: Cross multiply
2,769,437.80x = 4,156,014.30 × 972,317.80 - Step 4: Simplify right side
2,769,437.80x = 4,040,966,680,944.54 - Step 5: Solve for x
x = 4,040,966,680,944.54/2,769,437.80 - Step 6: Final answer
x = 1,459,128.88
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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.