Finding the Fourth Proportional to 2,119,291.97, 2,924,533.92 and 1,201,582.86
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Solution
The fourth proportional to 2,119,291.97, 2,924,533.92 and 1,201,582.86 is: 1,658,133.89
Step by Step Solution
- Step 1: Write the proportion equation
2,119,291.97 : 2,924,533.92 = 1,201,582.86 : x - Step 2: Convert to fraction form
2,119,291.97/2,924,533.92 = 1,201,582.86/x - Step 3: Cross multiply
2,119,291.97x = 2,924,533.92 × 1,201,582.86 - Step 4: Simplify right side
2,119,291.97x = 3,514,069,825,299.54 - Step 5: Solve for x
x = 3,514,069,825,299.54/2,119,291.97 - Step 6: Final answer
x = 1,658,133.89
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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.