Finding the Fourth Proportional to 1,754,496.68, 2,420,194.83 and 1,056,291.47
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Solution
The fourth proportional to 1,754,496.68, 2,420,194.83 and 1,056,291.47 is: 1,457,073.80
Step by Step Solution
- Step 1: Write the proportion equation
1,754,496.68 : 2,420,194.83 = 1,056,291.47 : x - Step 2: Convert to fraction form
1,754,496.68/2,420,194.83 = 1,056,291.47/x - Step 3: Cross multiply
1,754,496.68x = 2,420,194.83 × 1,056,291.47 - Step 4: Simplify right side
1,754,496.68x = 2,556,431,142,566.13 - Step 5: Solve for x
x = 2,556,431,142,566.13/1,754,496.68 - Step 6: Final answer
x = 1,457,073.80
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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.