Finding the Fourth Proportional to 1,585,894.95, 2,188,479.47 and 860,728.14
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Solution
The fourth proportional to 1,585,894.95, 2,188,479.47 and 860,728.14 is: 1,187,774.68
Step by Step Solution
- Step 1: Write the proportion equation
1,585,894.95 : 2,188,479.47 = 860,728.14 : x - Step 2: Convert to fraction form
1,585,894.95/2,188,479.47 = 860,728.14/x - Step 3: Cross multiply
1,585,894.95x = 2,188,479.47 × 860,728.14 - Step 4: Simplify right side
1,585,894.95x = 1,883,685,859,337.65 - Step 5: Solve for x
x = 1,883,685,859,337.65/1,585,894.95 - Step 6: Final answer
x = 1,187,774.68
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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.