Finding the Fourth Proportional to 2,472,698.05, 3,412,357.40 and 1,612,764.79
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Solution
The fourth proportional to 2,472,698.05, 3,412,357.40 and 1,612,764.79 is: 2,225,637.65
Step by Step Solution
- Step 1: Write the proportion equation
2,472,698.05 : 3,412,357.40 = 1,612,764.79 : x - Step 2: Convert to fraction form
2,472,698.05/3,412,357.40 = 1,612,764.79/x - Step 3: Cross multiply
2,472,698.05x = 3,412,357.40 × 1,612,764.79 - Step 4: Simplify right side
2,472,698.05x = 5,503,329,865,615.95 - Step 5: Solve for x
x = 5,503,329,865,615.95/2,472,698.05 - Step 6: Final answer
x = 2,225,637.65
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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.