Finding the Fourth Proportional to 1,578,337.92, 2,178,239.76 and 966,487.68
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Solution
The fourth proportional to 1,578,337.92, 2,178,239.76 and 966,487.68 is: 1,333,834.70
Step by Step Solution
- Step 1: Write the proportion equation
1,578,337.92 : 2,178,239.76 = 966,487.68 : x - Step 2: Convert to fraction form
1,578,337.92/2,178,239.76 = 966,487.68/x - Step 3: Cross multiply
1,578,337.92x = 2,178,239.76 × 966,487.68 - Step 4: Simplify right side
1,578,337.92x = 2,105,241,892,126.16 - Step 5: Solve for x
x = 2,105,241,892,126.16/1,578,337.92 - Step 6: Final answer
x = 1,333,834.70
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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.