Finding the Fourth Proportional to 1,567,713.90, 2,351,319.12 and 430,210.44
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Solution
The fourth proportional to 1,567,713.90, 2,351,319.12 and 430,210.44 is: 645,246.58
Step by Step Solution
- Step 1: Write the proportion equation
1,567,713.90 : 2,351,319.12 = 430,210.44 : x - Step 2: Convert to fraction form
1,567,713.90/2,351,319.12 = 430,210.44/x - Step 3: Cross multiply
1,567,713.90x = 2,351,319.12 × 430,210.44 - Step 4: Simplify right side
1,567,713.90x = 1,011,562,033,195.61 - Step 5: Solve for x
x = 1,011,562,033,195.61/1,567,713.90 - Step 6: Final answer
x = 645,246.58
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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.