Finding the Fourth Proportional to 1,855,637.11, 2,560,735.76 and 1,091,739.79
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Solution
The fourth proportional to 1,855,637.11, 2,560,735.76 and 1,091,739.79 is: 1,506,575.34
Step by Step Solution
- Step 1: Write the proportion equation
1,855,637.11 : 2,560,735.76 = 1,091,739.79 : x - Step 2: Convert to fraction form
1,855,637.11/2,560,735.76 = 1,091,739.79/x - Step 3: Cross multiply
1,855,637.11x = 2,560,735.76 × 1,091,739.79 - Step 4: Simplify right side
1,855,637.11x = 2,795,657,115,409.19 - Step 5: Solve for x
x = 2,795,657,115,409.19/1,855,637.11 - Step 6: Final answer
x = 1,506,575.34
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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.