Finding the Fourth Proportional to 1,919,106.71, 2,877,864.28 and 781,096.53
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Solution
The fourth proportional to 1,919,106.71, 2,877,864.28 and 781,096.53 is: 1,171,320.90
Step by Step Solution
- Step 1: Write the proportion equation
1,919,106.71 : 2,877,864.28 = 781,096.53 : x - Step 2: Convert to fraction form
1,919,106.71/2,877,864.28 = 781,096.53/x - Step 3: Cross multiply
1,919,106.71x = 2,877,864.28 × 781,096.53 - Step 4: Simplify right side
1,919,106.71x = 2,247,889,800,966.21 - Step 5: Solve for x
x = 2,247,889,800,966.21/1,919,106.71 - Step 6: Final answer
x = 1,171,320.90
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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.