Finding the Fourth Proportional to 2,756,786.88, 3,803,808.42 and 1,610,645.79
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Solution
The fourth proportional to 2,756,786.88, 3,803,808.42 and 1,610,645.79 is: 2,222,365.49
Step by Step Solution
- Step 1: Write the proportion equation
2,756,786.88 : 3,803,808.42 = 1,610,645.79 : x - Step 2: Convert to fraction form
2,756,786.88/3,803,808.42 = 1,610,645.79/x - Step 3: Cross multiply
2,756,786.88x = 3,803,808.42 × 1,610,645.79 - Step 4: Simplify right side
2,756,786.88x = 6,126,588,017,639.55 - Step 5: Solve for x
x = 6,126,588,017,639.55/2,756,786.88 - Step 6: Final answer
x = 2,222,365.49
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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.