Finding the Fourth Proportional to 2,866,812.13, 3,956,201.34 and 1,577,652.51
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Solution
The fourth proportional to 2,866,812.13, 3,956,201.34 and 1,577,652.51 is: 2,177,160.79
Step by Step Solution
- Step 1: Write the proportion equation
2,866,812.13 : 3,956,201.34 = 1,577,652.51 : x - Step 2: Convert to fraction form
2,866,812.13/3,956,201.34 = 1,577,652.51/x - Step 3: Cross multiply
2,866,812.13x = 3,956,201.34 × 1,577,652.51 - Step 4: Simplify right side
2,866,812.13x = 6,241,510,974,116.36 - Step 5: Solve for x
x = 6,241,510,974,116.36/2,866,812.13 - Step 6: Final answer
x = 2,177,160.79
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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.