Finding the Fourth Proportional to 1,759,610.42, 2,639,461.49 and 561,531.11
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Solution
The fourth proportional to 1,759,610.42, 2,639,461.49 and 561,531.11 is: 842,311.30
Step by Step Solution
- Step 1: Write the proportion equation
1,759,610.42 : 2,639,461.49 = 561,531.11 : x - Step 2: Convert to fraction form
1,759,610.42/2,639,461.49 = 561,531.11/x - Step 3: Cross multiply
1,759,610.42x = 2,639,461.49 × 561,531.11 - Step 4: Simplify right side
1,759,610.42x = 1,482,139,740,281.95 - Step 5: Solve for x
x = 1,482,139,740,281.95/1,759,610.42 - Step 6: Final answer
x = 842,311.30
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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.