Finding the Fourth Proportional to 1,972,686.13, 2,724,187.00 and 1,865,215.41
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Solution
The fourth proportional to 1,972,686.13, 2,724,187.00 and 1,865,215.41 is: 2,575,774.98
Step by Step Solution
- Step 1: Write the proportion equation
1,972,686.13 : 2,724,187.00 = 1,865,215.41 : x - Step 2: Convert to fraction form
1,972,686.13/2,724,187.00 = 1,865,215.41/x - Step 3: Cross multiply
1,972,686.13x = 2,724,187.00 × 1,865,215.41 - Step 4: Simplify right side
1,972,686.13x = 5,081,195,582,517.57 - Step 5: Solve for x
x = 5,081,195,582,517.57/1,972,686.13 - Step 6: Final answer
x = 2,575,774.98
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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.