Finding the Fourth Proportional to 1,440,124.65, 2,160,186.98 and 905,913.45
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Solution
The fourth proportional to 1,440,124.65, 2,160,186.98 and 905,913.45 is: 1,358,870.18
Step by Step Solution
- Step 1: Write the proportion equation
1,440,124.65 : 2,160,186.98 = 905,913.45 : x - Step 2: Convert to fraction form
1,440,124.65/2,160,186.98 = 905,913.45/x - Step 3: Cross multiply
1,440,124.65x = 2,160,186.98 × 905,913.45 - Step 4: Simplify right side
1,440,124.65x = 1,956,942,435,167.31 - Step 5: Solve for x
x = 1,956,942,435,167.31/1,440,124.65 - Step 6: Final answer
x = 1,358,870.18
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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.