Finding the Fourth Proportional to 2,699,125.76, 4,053,665.28 and 2,141,742.08
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Solution
The fourth proportional to 2,699,125.76, 4,053,665.28 and 2,141,742.08 is: 3,216,562.06
Step by Step Solution
- Step 1: Write the proportion equation
2,699,125.76 : 4,053,665.28 = 2,141,742.08 : x - Step 2: Convert to fraction form
2,699,125.76/4,053,665.28 = 2,141,742.08/x - Step 3: Cross multiply
2,699,125.76x = 4,053,665.28 × 2,141,742.08 - Step 4: Simplify right side
2,699,125.76x = 8,681,905,508,410.98 - Step 5: Solve for x
x = 8,681,905,508,410.98/2,699,125.76 - Step 6: Final answer
x = 3,216,562.06
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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.