Finding the Fourth Proportional to 2,077,977.41, 2,867,580.79 and 1,160,220.68
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Solution
The fourth proportional to 2,077,977.41, 2,867,580.79 and 1,160,220.68 is: 1,601,088.88
Step by Step Solution
- Step 1: Write the proportion equation
2,077,977.41 : 2,867,580.79 = 1,160,220.68 : x - Step 2: Convert to fraction form
2,077,977.41/2,867,580.79 = 1,160,220.68/x - Step 3: Cross multiply
2,077,977.41x = 2,867,580.79 × 1,160,220.68 - Step 4: Simplify right side
2,077,977.41x = 3,327,026,516,890.28 - Step 5: Solve for x
x = 3,327,026,516,890.28/2,077,977.41 - Step 6: Final answer
x = 1,601,088.88
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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.