Finding the Fourth Proportional to 1,776,139.88, 2,451,058.74 and 1,031,134.86
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Solution
The fourth proportional to 1,776,139.88, 2,451,058.74 and 1,031,134.86 is: 1,422,957.81
Step by Step Solution
- Step 1: Write the proportion equation
1,776,139.88 : 2,451,058.74 = 1,031,134.86 : x - Step 2: Convert to fraction form
1,776,139.88/2,451,058.74 = 1,031,134.86/x - Step 3: Cross multiply
1,776,139.88x = 2,451,058.74 × 1,031,134.86 - Step 4: Simplify right side
1,776,139.88x = 2,527,372,110,721.68 - Step 5: Solve for x
x = 2,527,372,110,721.68/1,776,139.88 - Step 6: Final answer
x = 1,422,957.81
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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.