Finding the Fourth Proportional to 3,237,289.70, 4,855,934.55 and 1,553,987.30
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Solution
The fourth proportional to 3,237,289.70, 4,855,934.55 and 1,553,987.30 is: 2,330,980.95
Step by Step Solution
- Step 1: Write the proportion equation
3,237,289.70 : 4,855,934.55 = 1,553,987.30 : x - Step 2: Convert to fraction form
3,237,289.70/4,855,934.55 = 1,553,987.30/x - Step 3: Cross multiply
3,237,289.70x = 4,855,934.55 × 1,553,987.30 - Step 4: Simplify right side
3,237,289.70x = 7,546,060,620,331.22 - Step 5: Solve for x
x = 7,546,060,620,331.22/3,237,289.70 - Step 6: Final answer
x = 2,330,980.95
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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.