Finding the Fourth Proportional to 2,871,574.22, 3,962,799.09 and 1,582,460.84
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Solution
The fourth proportional to 2,871,574.22, 3,962,799.09 and 1,582,460.84 is: 2,183,810.65
Step by Step Solution
- Step 1: Write the proportion equation
2,871,574.22 : 3,962,799.09 = 1,582,460.84 : x - Step 2: Convert to fraction form
2,871,574.22/3,962,799.09 = 1,582,460.84/x - Step 3: Cross multiply
2,871,574.22x = 3,962,799.09 × 1,582,460.84 - Step 4: Simplify right side
2,871,574.22x = 6,270,974,356,898.64 - Step 5: Solve for x
x = 6,270,974,356,898.64/2,871,574.22 - Step 6: Final answer
x = 2,183,810.65
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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.