Finding the Fourth Proportional to 2,122,975.35, 2,929,741.02 and 1,156,124.52
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Solution
The fourth proportional to 2,122,975.35, 2,929,741.02 and 1,156,124.52 is: 1,595,470.92
Step by Step Solution
- Step 1: Write the proportion equation
2,122,975.35 : 2,929,741.02 = 1,156,124.52 : x - Step 2: Convert to fraction form
2,122,975.35/2,929,741.02 = 1,156,124.52/x - Step 3: Cross multiply
2,122,975.35x = 2,929,741.02 × 1,156,124.52 - Step 4: Simplify right side
2,122,975.35x = 3,387,145,430,471.81 - Step 5: Solve for x
x = 3,387,145,430,471.81/2,122,975.35 - Step 6: Final answer
x = 1,595,470.92
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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.