Finding the Fourth Proportional to 4,201,802.80, 6,302,704.20 and 2,607,479.80
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Solution
The fourth proportional to 4,201,802.80, 6,302,704.20 and 2,607,479.80 is: 3,911,219.70
Step by Step Solution
- Step 1: Write the proportion equation
4,201,802.80 : 6,302,704.20 = 2,607,479.80 : x - Step 2: Convert to fraction form
4,201,802.80/6,302,704.20 = 2,607,479.80/x - Step 3: Cross multiply
4,201,802.80x = 6,302,704.20 × 2,607,479.80 - Step 4: Simplify right side
4,201,802.80x = 16,434,173,886,875.16 - Step 5: Solve for x
x = 16,434,173,886,875.16/4,201,802.80 - Step 6: Final answer
x = 3,911,219.70
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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.