Finding the Fourth Proportional to 1,852,317.28, 2,556,594.84 and 1,206,585.28
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Solution
The fourth proportional to 1,852,317.28, 2,556,594.84 and 1,206,585.28 is: 1,665,346.28
Step by Step Solution
- Step 1: Write the proportion equation
1,852,317.28 : 2,556,594.84 = 1,206,585.28 : x - Step 2: Convert to fraction form
1,852,317.28/2,556,594.84 = 1,206,585.28/x - Step 3: Cross multiply
1,852,317.28x = 2,556,594.84 × 1,206,585.28 - Step 4: Simplify right side
1,852,317.28x = 3,084,749,700,867.96 - Step 5: Solve for x
x = 3,084,749,700,867.96/1,852,317.28 - Step 6: Final answer
x = 1,665,346.28
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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.