Finding the Fourth Proportional to 1,758,058.40, 2,630,089.20 and 1,524,000.80
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Solution
The fourth proportional to 1,758,058.40, 2,630,089.20 and 1,524,000.80 is: 2,279,934.53
Step by Step Solution
- Step 1: Write the proportion equation
1,758,058.40 : 2,630,089.20 = 1,524,000.80 : x - Step 2: Convert to fraction form
1,758,058.40/2,630,089.20 = 1,524,000.80/x - Step 3: Cross multiply
1,758,058.40x = 2,630,089.20 × 1,524,000.80 - Step 4: Simplify right side
1,758,058.40x = 4,008,258,044,871.36 - Step 5: Solve for x
x = 4,008,258,044,871.36/1,758,058.40 - Step 6: Final answer
x = 2,279,934.53
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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.