Finding the Fourth Proportional to 1,447,429.84, 2,170,590.36 and 487,627.48
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Solution
The fourth proportional to 1,447,429.84, 2,170,590.36 and 487,627.48 is: 731,254.45
Step by Step Solution
- Step 1: Write the proportion equation
1,447,429.84 : 2,170,590.36 = 487,627.48 : x - Step 2: Convert to fraction form
1,447,429.84/2,170,590.36 = 487,627.48/x - Step 3: Cross multiply
1,447,429.84x = 2,170,590.36 × 487,627.48 - Step 4: Simplify right side
1,447,429.84x = 1,058,439,507,359.09 - Step 5: Solve for x
x = 1,058,439,507,359.09/1,447,429.84 - Step 6: Final answer
x = 731,254.45
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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.