Finding the Fourth Proportional to 1,590,073.14, 2,194,312.50 and 864,927.12
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Solution
The fourth proportional to 1,590,073.14, 2,194,312.50 and 864,927.12 is: 1,193,605.72
Step by Step Solution
- Step 1: Write the proportion equation
1,590,073.14 : 2,194,312.50 = 864,927.12 : x - Step 2: Convert to fraction form
1,590,073.14/2,194,312.50 = 864,927.12/x - Step 3: Cross multiply
1,590,073.14x = 2,194,312.50 × 864,927.12 - Step 4: Simplify right side
1,590,073.14x = 1,897,920,391,005 - Step 5: Solve for x
x = 1,897,920,391,005/1,590,073.14 - Step 6: Final answer
x = 1,193,605.72
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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.