Finding the Fourth Proportional to 4,080,395.60, 6,120,823.80 and 1,240,600.40
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Solution
The fourth proportional to 4,080,395.60, 6,120,823.80 and 1,240,600.40 is: 1,860,970.65
Step by Step Solution
- Step 1: Write the proportion equation
4,080,395.60 : 6,120,823.80 = 1,240,600.40 : x - Step 2: Convert to fraction form
4,080,395.60/6,120,823.80 = 1,240,600.40/x - Step 3: Cross multiply
4,080,395.60x = 6,120,823.80 × 1,240,600.40 - Step 4: Simplify right side
4,080,395.60x = 7,593,496,454,609.52 - Step 5: Solve for x
x = 7,593,496,454,609.52/4,080,395.60 - Step 6: Final answer
x = 1,860,970.65
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1.5x scale
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.