Finding the Fourth Proportional to 3,258,432.18, 4,496,846.60 and 1,808,127.62
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Solution
The fourth proportional to 3,258,432.18, 4,496,846.60 and 1,808,127.62 is: 2,495,332.74
Step by Step Solution
- Step 1: Write the proportion equation
3,258,432.18 : 4,496,846.60 = 1,808,127.62 : x - Step 2: Convert to fraction form
3,258,432.18/4,496,846.60 = 1,808,127.62/x - Step 3: Cross multiply
3,258,432.18x = 4,496,846.60 × 1,808,127.62 - Step 4: Simplify right side
3,258,432.18x = 8,130,872,508,838.22 - Step 5: Solve for x
x = 8,130,872,508,838.22/3,258,432.18 - Step 6: Final answer
x = 2,495,332.74
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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.