Finding the Fourth Proportional to 1,652,967.87, 2,478,488.43 and 640,907.49
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Solution
The fourth proportional to 1,652,967.87, 2,478,488.43 and 640,907.49 is: 960,987.70
Step by Step Solution
- Step 1: Write the proportion equation
1,652,967.87 : 2,478,488.43 = 640,907.49 : x - Step 2: Convert to fraction form
1,652,967.87/2,478,488.43 = 640,907.49/x - Step 3: Cross multiply
1,652,967.87x = 2,478,488.43 × 640,907.49 - Step 4: Simplify right side
1,652,967.87x = 1,588,481,798,665.34 - Step 5: Solve for x
x = 1,588,481,798,665.34/1,652,967.87 - Step 6: Final answer
x = 960,987.70
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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.