Finding the Fourth Proportional to 4,746,953.48, 7,120,331.87 and 1,152,739.26
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Solution
The fourth proportional to 4,746,953.48, 7,120,331.87 and 1,152,739.26 is: 1,729,085.01
Step by Step Solution
- Step 1: Write the proportion equation
4,746,953.48 : 7,120,331.87 = 1,152,739.26 : x - Step 2: Convert to fraction form
4,746,953.48/7,120,331.87 = 1,152,739.26/x - Step 3: Cross multiply
4,746,953.48x = 7,120,331.87 × 1,152,739.26 - Step 4: Simplify right side
4,746,953.48x = 8,207,886,085,014.52 - Step 5: Solve for x
x = 8,207,886,085,014.52/4,746,953.48 - Step 6: Final answer
x = 1,729,085.01
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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.