Finding the Fourth Proportional to 1,950,504.22, 2,690,518.86 and 1,288,220.14
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Solution
The fourth proportional to 1,950,504.22, 2,690,518.86 and 1,288,220.14 is: 1,776,966.46
Step by Step Solution
- Step 1: Write the proportion equation
1,950,504.22 : 2,690,518.86 = 1,288,220.14 : x - Step 2: Convert to fraction form
1,950,504.22/2,690,518.86 = 1,288,220.14/x - Step 3: Cross multiply
1,950,504.22x = 2,690,518.86 × 1,288,220.14 - Step 4: Simplify right side
1,950,504.22x = 3,465,980,582,501.84 - Step 5: Solve for x
x = 3,465,980,582,501.84/1,950,504.22 - Step 6: Final answer
x = 1,776,966.46
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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.