Finding the Fourth Proportional to 2,948,176.63, 4,068,470.80 and 1,659,038.55
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Solution
The fourth proportional to 2,948,176.63, 4,068,470.80 and 1,659,038.55 is: 2,289,465.91
Step by Step Solution
- Step 1: Write the proportion equation
2,948,176.63 : 4,068,470.80 = 1,659,038.55 : x - Step 2: Convert to fraction form
2,948,176.63/4,068,470.80 = 1,659,038.55/x - Step 3: Cross multiply
2,948,176.63x = 4,068,470.80 × 1,659,038.55 - Step 4: Simplify right side
2,948,176.63x = 6,749,749,896,749.34 - Step 5: Solve for x
x = 6,749,749,896,749.34/2,948,176.63 - Step 6: Final answer
x = 2,289,465.91
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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.