Finding the Fourth Proportional to 4,812,865.28, 7,218,688.94 and 1,574,126.04
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Solution
The fourth proportional to 4,812,865.28, 7,218,688.94 and 1,574,126.04 is: 2,360,989.88
Step by Step Solution
- Step 1: Write the proportion equation
4,812,865.28 : 7,218,688.94 = 1,574,126.04 : x - Step 2: Convert to fraction form
4,812,865.28/7,218,688.94 = 1,574,126.04/x - Step 3: Cross multiply
4,812,865.28x = 7,218,688.94 × 1,574,126.04 - Step 4: Simplify right side
4,812,865.28x = 11,363,126,227,243.37 - Step 5: Solve for x
x = 11,363,126,227,243.37/4,812,865.28 - Step 6: Final answer
x = 2,360,989.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.