Finding the Fourth Proportional to 2,135,411.28, 2,946,867.36 and 1,168,541.76
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Solution
The fourth proportional to 2,135,411.28, 2,946,867.36 and 1,168,541.76 is: 1,612,587.52
Step by Step Solution
- Step 1: Write the proportion equation
2,135,411.28 : 2,946,867.36 = 1,168,541.76 : x - Step 2: Convert to fraction form
2,135,411.28/2,946,867.36 = 1,168,541.76/x - Step 3: Cross multiply
2,135,411.28x = 2,946,867.36 × 1,168,541.76 - Step 4: Simplify right side
2,135,411.28x = 3,443,537,571,340.95 - Step 5: Solve for x
x = 3,443,537,571,340.95/2,135,411.28 - Step 6: Final answer
x = 1,612,587.52
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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.