Finding the Fourth Proportional to 1,518,209.20, 2,095,173.24 and 829,919.08
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Solution
The fourth proportional to 1,518,209.20, 2,095,173.24 and 829,919.08 is: 1,145,312.68
Step by Step Solution
- Step 1: Write the proportion equation
1,518,209.20 : 2,095,173.24 = 829,919.08 : x - Step 2: Convert to fraction form
1,518,209.20/2,095,173.24 = 829,919.08/x - Step 3: Cross multiply
1,518,209.20x = 2,095,173.24 × 829,919.08 - Step 4: Simplify right side
1,518,209.20x = 1,738,824,247,781.42 - Step 5: Solve for x
x = 1,738,824,247,781.42/1,518,209.20 - Step 6: Final answer
x = 1,145,312.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.