Finding the Fourth Proportional to 2,739,135.36, 3,781,217.57 and 1,636,955.73
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Solution
The fourth proportional to 2,739,135.36, 3,781,217.57 and 1,636,955.73 is: 2,259,722.48
Step by Step Solution
- Step 1: Write the proportion equation
2,739,135.36 : 3,781,217.57 = 1,636,955.73 : x - Step 2: Convert to fraction form
2,739,135.36/3,781,217.57 = 1,636,955.73/x - Step 3: Cross multiply
2,739,135.36x = 3,781,217.57 × 1,636,955.73 - Step 4: Simplify right side
2,739,135.36x = 6,189,685,759,403.40 - Step 5: Solve for x
x = 6,189,685,759,403.40/2,739,135.36 - Step 6: Final answer
x = 2,259,722.48
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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.