Finding the Fourth Proportional to 1,572,217.97, 2,169,647.75 and 883,892.91
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Solution
The fourth proportional to 1,572,217.97, 2,169,647.75 and 883,892.91 is: 1,219,764.87
Step by Step Solution
- Step 1: Write the proportion equation
1,572,217.97 : 2,169,647.75 = 883,892.91 : x - Step 2: Convert to fraction form
1,572,217.97/2,169,647.75 = 883,892.91/x - Step 3: Cross multiply
1,572,217.97x = 2,169,647.75 × 883,892.91 - Step 4: Simplify right side
1,572,217.97x = 1,917,736,259,078.15 - Step 5: Solve for x
x = 1,917,736,259,078.15/1,572,217.97 - Step 6: Final answer
x = 1,219,764.87
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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.