Finding the Fourth Proportional to 2,875,226.88, 3,969,088.08 and 1,857,128.16
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Solution
The fourth proportional to 2,875,226.88, 3,969,088.08 and 1,857,128.16 is: 2,563,660.38
Step by Step Solution
- Step 1: Write the proportion equation
2,875,226.88 : 3,969,088.08 = 1,857,128.16 : x - Step 2: Convert to fraction form
2,875,226.88/3,969,088.08 = 1,857,128.16/x - Step 3: Cross multiply
2,875,226.88x = 3,969,088.08 × 1,857,128.16 - Step 4: Simplify right side
2,875,226.88x = 7,371,105,242,888.33 - Step 5: Solve for x
x = 7,371,105,242,888.33/2,875,226.88 - Step 6: Final answer
x = 2,563,660.38
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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.