Finding the Fourth Proportional to 1,558,295.70, 2,337,443.55 and 998,423.70
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Solution
The fourth proportional to 1,558,295.70, 2,337,443.55 and 998,423.70 is: 1,497,635.55
Step by Step Solution
- Step 1: Write the proportion equation
1,558,295.70 : 2,337,443.55 = 998,423.70 : x - Step 2: Convert to fraction form
1,558,295.70/2,337,443.55 = 998,423.70/x - Step 3: Cross multiply
1,558,295.70x = 2,337,443.55 × 998,423.70 - Step 4: Simplify right side
1,558,295.70x = 2,333,759,037,732.13 - Step 5: Solve for x
x = 2,333,759,037,732.13/1,558,295.70 - Step 6: Final answer
x = 1,497,635.55
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1.5x scale
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.