Finding the Fourth Proportional to 1,585,774.19, 2,188,384.74 and 860,628.17
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Solution
The fourth proportional to 1,585,774.19, 2,188,384.74 and 860,628.17 is: 1,187,675.75
Step by Step Solution
- Step 1: Write the proportion equation
1,585,774.19 : 2,188,384.74 = 860,628.17 : x - Step 2: Convert to fraction form
1,585,774.19/2,188,384.74 = 860,628.17/x - Step 3: Cross multiply
1,585,774.19x = 2,188,384.74 × 860,628.17 - Step 4: Simplify right side
1,585,774.19x = 1,883,385,543,100.20 - Step 5: Solve for x
x = 1,883,385,543,100.20/1,585,774.19 - Step 6: Final answer
x = 1,187,675.75
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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.