Finding the Fourth Proportional to 1,917,615.14, 2,646,292.24 and 1,046,467.07
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Solution
The fourth proportional to 1,917,615.14, 2,646,292.24 and 1,046,467.07 is: 1,444,115.47
Step by Step Solution
- Step 1: Write the proportion equation
1,917,615.14 : 2,646,292.24 = 1,046,467.07 : x - Step 2: Convert to fraction form
1,917,615.14/2,646,292.24 = 1,046,467.07/x - Step 3: Cross multiply
1,917,615.14x = 2,646,292.24 × 1,046,467.07 - Step 4: Simplify right side
1,917,615.14x = 2,769,257,684,140.37 - Step 5: Solve for x
x = 2,769,257,684,140.37/1,917,615.14 - Step 6: Final answer
x = 1,444,115.47
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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.