Finding the Fourth Proportional to 1,447,497.39, 1,997,785.89 and 803,125.18
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Solution
The fourth proportional to 1,447,497.39, 1,997,785.89 and 803,125.18 is: 1,108,445.62
Step by Step Solution
- Step 1: Write the proportion equation
1,447,497.39 : 1,997,785.89 = 803,125.18 : x - Step 2: Convert to fraction form
1,447,497.39/1,997,785.89 = 803,125.18/x - Step 3: Cross multiply
1,447,497.39x = 1,997,785.89 × 803,125.18 - Step 4: Simplify right side
1,447,497.39x = 1,604,472,140,379.17 - Step 5: Solve for x
x = 1,604,472,140,379.17/1,447,497.39 - Step 6: Final answer
x = 1,108,445.62
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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.