Finding the Fourth Proportional to 2,248,074.51, 3,102,340.64 and 1,215,579.82
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Solution
The fourth proportional to 2,248,074.51, 3,102,340.64 and 1,215,579.82 is: 1,677,498.97
Step by Step Solution
- Step 1: Write the proportion equation
2,248,074.51 : 3,102,340.64 = 1,215,579.82 : x - Step 2: Convert to fraction form
2,248,074.51/3,102,340.64 = 1,215,579.82/x - Step 3: Cross multiply
2,248,074.51x = 3,102,340.64 × 1,215,579.82 - Step 4: Simplify right side
2,248,074.51x = 3,771,142,670,671.99 - Step 5: Solve for x
x = 3,771,142,670,671.99/2,248,074.51 - Step 6: Final answer
x = 1,677,498.97
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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.