Finding the Fourth Proportional to 6,410,981.44, 8,847,392.80 and 3,658,117.12
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Solution
The fourth proportional to 6,410,981.44, 8,847,392.80 and 3,658,117.12 is: 5,048,337.66
Step by Step Solution
- Step 1: Write the proportion equation
6,410,981.44 : 8,847,392.80 = 3,658,117.12 : x - Step 2: Convert to fraction form
6,410,981.44/8,847,392.80 = 3,658,117.12/x - Step 3: Cross multiply
6,410,981.44x = 8,847,392.80 × 3,658,117.12 - Step 4: Simplify right side
6,410,981.44x = 32,364,799,069,044.74 - Step 5: Solve for x
x = 32,364,799,069,044.74/6,410,981.44 - Step 6: Final answer
x = 5,048,337.66
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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.