Finding the Fourth Proportional to 1,895,011.76, 2,615,382.94 and 1,206,463.66
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Solution
The fourth proportional to 1,895,011.76, 2,615,382.94 and 1,206,463.66 is: 1,665,089.65
Step by Step Solution
- Step 1: Write the proportion equation
1,895,011.76 : 2,615,382.94 = 1,206,463.66 : x - Step 2: Convert to fraction form
1,895,011.76/2,615,382.94 = 1,206,463.66/x - Step 3: Cross multiply
1,895,011.76x = 2,615,382.94 × 1,206,463.66 - Step 4: Simplify right side
1,895,011.76x = 3,155,364,474,093.96 - Step 5: Solve for x
x = 3,155,364,474,093.96/1,895,011.76 - Step 6: Final answer
x = 1,665,089.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.