Finding the Fourth Proportional to 3,878,744.28, 5,352,666.84 and 2,248,097.49
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Solution
The fourth proportional to 3,878,744.28, 5,352,666.84 and 2,248,097.49 is: 3,102,374.38
Step by Step Solution
- Step 1: Write the proportion equation
3,878,744.28 : 5,352,666.84 = 2,248,097.49 : x - Step 2: Convert to fraction form
3,878,744.28/5,352,666.84 = 2,248,097.49/x - Step 3: Cross multiply
3,878,744.28x = 5,352,666.84 × 2,248,097.49 - Step 4: Simplify right side
3,878,744.28x = 12,033,316,887,810.23 - Step 5: Solve for x
x = 12,033,316,887,810.23/3,878,744.28 - Step 6: Final answer
x = 3,102,374.38
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1.5x scale
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.