Finding the Fourth Proportional to 1,873,402.91, 2,585,358.66 and 1,148,110.49
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Solution
The fourth proportional to 1,873,402.91, 2,585,358.66 and 1,148,110.49 is: 1,584,430.87
Step by Step Solution
- Step 1: Write the proportion equation
1,873,402.91 : 2,585,358.66 = 1,148,110.49 : x - Step 2: Convert to fraction form
1,873,402.91/2,585,358.66 = 1,148,110.49/x - Step 3: Cross multiply
1,873,402.91x = 2,585,358.66 × 1,148,110.49 - Step 4: Simplify right side
1,873,402.91x = 2,968,277,397,958.34 - Step 5: Solve for x
x = 2,968,277,397,958.34/1,873,402.91 - Step 6: Final answer
x = 1,584,430.87
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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.