Finding the Fourth Proportional to 4,258,830.90, 6,385,913.55 and 1,731,630.90
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Solution
The fourth proportional to 4,258,830.90, 6,385,913.55 and 1,731,630.90 is: 2,596,497.84
Step by Step Solution
- Step 1: Write the proportion equation
4,258,830.90 : 6,385,913.55 = 1,731,630.90 : x - Step 2: Convert to fraction form
4,258,830.90/6,385,913.55 = 1,731,630.90/x - Step 3: Cross multiply
4,258,830.90x = 6,385,913.55 × 1,731,630.90 - Step 4: Simplify right side
4,258,830.90x = 11,058,045,227,908.69 - Step 5: Solve for x
x = 11,058,045,227,908.69/4,258,830.90 - Step 6: Final answer
x = 2,596,497.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.