Finding the Fourth Proportional to 1,381,497.74, 1,905,737.10 and 951,030.53
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Solution
The fourth proportional to 1,381,497.74, 1,905,737.10 and 951,030.53 is: 1,311,919.75
Step by Step Solution
- Step 1: Write the proportion equation
1,381,497.74 : 1,905,737.10 = 951,030.53 : x - Step 2: Convert to fraction form
1,381,497.74/1,905,737.10 = 951,030.53/x - Step 3: Cross multiply
1,381,497.74x = 1,905,737.10 × 951,030.53 - Step 4: Simplify right side
1,381,497.74x = 1,812,414,164,253.66 - Step 5: Solve for x
x = 1,812,414,164,253.66/1,381,497.74 - Step 6: Final answer
x = 1,311,919.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.