Finding the Fourth Proportional to 6,818,305.48, 9,409,461.40 and 3,721,027.97
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Solution
The fourth proportional to 6,818,305.48, 9,409,461.40 and 3,721,027.97 is: 5,135,127.66
Step by Step Solution
- Step 1: Write the proportion equation
6,818,305.48 : 9,409,461.40 = 3,721,027.97 : x - Step 2: Convert to fraction form
6,818,305.48/9,409,461.40 = 3,721,027.97/x - Step 3: Cross multiply
6,818,305.48x = 9,409,461.40 × 3,721,027.97 - Step 4: Simplify right side
6,818,305.48x = 35,012,869,080,210.29 - Step 5: Solve for x
x = 35,012,869,080,210.29/6,818,305.48 - Step 6: Final answer
x = 5,135,127.66
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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.