Finding the Fourth Proportional to 1,595,360, 2,201,596.80 and 879,968
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Solution
The fourth proportional to 1,595,360, 2,201,596.80 and 879,968 is: 1,214,355.84
Step by Step Solution
- Step 1: Write the proportion equation
1,595,360 : 2,201,596.80 = 879,968 : x - Step 2: Convert to fraction form
1,595,360/2,201,596.80 = 879,968/x - Step 3: Cross multiply
1,595,360x = 2,201,596.80 × 879,968 - Step 4: Simplify right side
1,595,360x = 1,937,334,732,902.40 - Step 5: Solve for x
x = 1,937,334,732,902.40/1,595,360 - Step 6: Final answer
x = 1,214,355.84
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1.5x scale
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.