Finding the Fourth Proportional to 1,854,805.73, 2,559,658.52 and 1,080,416.75
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Solution
The fourth proportional to 1,854,805.73, 2,559,658.52 and 1,080,416.75 is: 1,490,990.61
Step by Step Solution
- Step 1: Write the proportion equation
1,854,805.73 : 2,559,658.52 = 1,080,416.75 : x - Step 2: Convert to fraction form
1,854,805.73/2,559,658.52 = 1,080,416.75/x - Step 3: Cross multiply
1,854,805.73x = 2,559,658.52 × 1,080,416.75 - Step 4: Simplify right side
1,854,805.73x = 2,765,497,933,886.13 - Step 5: Solve for x
x = 2,765,497,933,886.13/1,854,805.73 - Step 6: Final answer
x = 1,490,990.61
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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.