Finding the Fourth Proportional to 1,416,319.08, 2,125,106.70 and 742,240.20
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Solution
The fourth proportional to 1,416,319.08, 2,125,106.70 and 742,240.20 is: 1,113,689.45
Step by Step Solution
- Step 1: Write the proportion equation
1,416,319.08 : 2,125,106.70 = 742,240.20 : x - Step 2: Convert to fraction form
1,416,319.08/2,125,106.70 = 742,240.20/x - Step 3: Cross multiply
1,416,319.08x = 2,125,106.70 × 742,240.20 - Step 4: Simplify right side
1,416,319.08x = 1,577,339,622,029.34 - Step 5: Solve for x
x = 1,577,339,622,029.34/1,416,319.08 - Step 6: Final answer
x = 1,113,689.45
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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.