Finding the Fourth Proportional to 5,189,257.20, 7,785,170.58 and 1,545,970.80
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Solution
The fourth proportional to 5,189,257.20, 7,785,170.58 and 1,545,970.80 is: 2,319,338.96
Step by Step Solution
- Step 1: Write the proportion equation
5,189,257.20 : 7,785,170.58 = 1,545,970.80 : x - Step 2: Convert to fraction form
5,189,257.20/7,785,170.58 = 1,545,970.80/x - Step 3: Cross multiply
5,189,257.20x = 7,785,170.58 × 1,545,970.80 - Step 4: Simplify right side
5,189,257.20x = 12,035,646,389,699.06 - Step 5: Solve for x
x = 12,035,646,389,699.06/5,189,257.20 - Step 6: Final answer
x = 2,319,338.96
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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.