Finding the Fourth Proportional to 1,575,475.84, 2,174,145.60 and 860,083.84
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Solution
The fourth proportional to 1,575,475.84, 2,174,145.60 and 860,083.84 is: 1,186,909.66
Step by Step Solution
- Step 1: Write the proportion equation
1,575,475.84 : 2,174,145.60 = 860,083.84 : x - Step 2: Convert to fraction form
1,575,475.84/2,174,145.60 = 860,083.84/x - Step 3: Cross multiply
1,575,475.84x = 2,174,145.60 × 860,083.84 - Step 4: Simplify right side
1,575,475.84x = 1,869,947,496,367.10 - Step 5: Solve for x
x = 1,869,947,496,367.10/1,575,475.84 - Step 6: Final answer
x = 1,186,909.66
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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.