Finding the Fourth Proportional to 1,449,720.08, 2,000,618.36 and 805,140.25
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Solution
The fourth proportional to 1,449,720.08, 2,000,618.36 and 805,140.25 is: 1,111,096.12
Step by Step Solution
- Step 1: Write the proportion equation
1,449,720.08 : 2,000,618.36 = 805,140.25 : x - Step 2: Convert to fraction form
1,449,720.08/2,000,618.36 = 805,140.25/x - Step 3: Cross multiply
1,449,720.08x = 2,000,618.36 × 805,140.25 - Step 4: Simplify right side
1,449,720.08x = 1,610,778,352,496.20 - Step 5: Solve for x
x = 1,610,778,352,496.20/1,449,720.08 - Step 6: Final answer
x = 1,111,096.12
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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.