Finding the Fourth Proportional to 1,738,216.60, 2,607,324.90 and 616,139.80
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Solution
The fourth proportional to 1,738,216.60, 2,607,324.90 and 616,139.80 is: 924,209.70
Step by Step Solution
- Step 1: Write the proportion equation
1,738,216.60 : 2,607,324.90 = 616,139.80 : x - Step 2: Convert to fraction form
1,738,216.60/2,607,324.90 = 616,139.80/x - Step 3: Cross multiply
1,738,216.60x = 2,607,324.90 × 616,139.80 - Step 4: Simplify right side
1,738,216.60x = 1,606,476,642,421.02 - Step 5: Solve for x
x = 1,606,476,642,421.02/1,738,216.60 - Step 6: Final answer
x = 924,209.70
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1.5x scale
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.