Finding the Fourth Proportional to 1,569,303.75, 2,353,977.50 and 447,372.75
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Solution
The fourth proportional to 1,569,303.75, 2,353,977.50 and 447,372.75 is: 671,065.36
Step by Step Solution
- Step 1: Write the proportion equation
1,569,303.75 : 2,353,977.50 = 447,372.75 : x - Step 2: Convert to fraction form
1,569,303.75/2,353,977.50 = 447,372.75/x - Step 3: Cross multiply
1,569,303.75x = 2,353,977.50 × 447,372.75 - Step 4: Simplify right side
1,569,303.75x = 1,053,105,387,613.13 - Step 5: Solve for x
x = 1,053,105,387,613.13/1,569,303.75 - Step 6: Final answer
x = 671,065.36
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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.