Finding the Fourth Proportional to 3,155,567.63, 4,734,138.76 and 911,705.63
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Solution
The fourth proportional to 3,155,567.63, 4,734,138.76 and 911,705.63 is: 1,367,785.91
Step by Step Solution
- Step 1: Write the proportion equation
3,155,567.63 : 4,734,138.76 = 911,705.63 : x - Step 2: Convert to fraction form
3,155,567.63/4,734,138.76 = 911,705.63/x - Step 3: Cross multiply
3,155,567.63x = 4,734,138.76 × 911,705.63 - Step 4: Simplify right side
3,155,567.63x = 4,316,140,934,743.26 - Step 5: Solve for x
x = 4,316,140,934,743.26/3,155,567.63 - Step 6: Final answer
x = 1,367,785.91
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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.