Finding the Fourth Proportional to 1,486,961.22, 2,051,939.61 and 842,368.26
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Solution
The fourth proportional to 1,486,961.22, 2,051,939.61 and 842,368.26 is: 1,162,430.31
Step by Step Solution
- Step 1: Write the proportion equation
1,486,961.22 : 2,051,939.61 = 842,368.26 : x - Step 2: Convert to fraction form
1,486,961.22/2,051,939.61 = 842,368.26/x - Step 3: Cross multiply
1,486,961.22x = 2,051,939.61 × 842,368.26 - Step 4: Simplify right side
1,486,961.22x = 1,728,488,798,900.78 - Step 5: Solve for x
x = 1,728,488,798,900.78/1,486,961.22 - Step 6: Final answer
x = 1,162,430.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.