Finding the Fourth Proportional to 1,534,743.40, 2,299,004.70 and 869,117.80
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Solution
The fourth proportional to 1,534,743.40, 2,299,004.70 and 869,117.80 is: 1,301,915.30
Step by Step Solution
- Step 1: Write the proportion equation
1,534,743.40 : 2,299,004.70 = 869,117.80 : x - Step 2: Convert to fraction form
1,534,743.40/2,299,004.70 = 869,117.80/x - Step 3: Cross multiply
1,534,743.40x = 2,299,004.70 × 869,117.80 - Step 4: Simplify right side
1,534,743.40x = 1,998,105,907,053.66 - Step 5: Solve for x
x = 1,998,105,907,053.66/1,534,743.40 - Step 6: Final answer
x = 1,301,915.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.