Finding the Fourth Proportional to 2,590,589.98, 3,886,161.45 and 697,358.62
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Solution
The fourth proportional to 2,590,589.98, 3,886,161.45 and 697,358.62 is: 1,046,112.36
Step by Step Solution
- Step 1: Write the proportion equation
2,590,589.98 : 3,886,161.45 = 697,358.62 : x - Step 2: Convert to fraction form
2,590,589.98/3,886,161.45 = 697,358.62/x - Step 3: Cross multiply
2,590,589.98x = 3,886,161.45 × 697,358.62 - Step 4: Simplify right side
2,590,589.98x = 2,710,048,185,869.20 - Step 5: Solve for x
x = 2,710,048,185,869.20/2,590,589.98 - Step 6: Final answer
x = 1,046,112.36
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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.