Finding the Fourth Proportional to 2,295,612.09, 3,168,291.11 and 1,329,373.62
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Solution
The fourth proportional to 2,295,612.09, 3,168,291.11 and 1,329,373.62 is: 1,834,736.21
Step by Step Solution
- Step 1: Write the proportion equation
2,295,612.09 : 3,168,291.11 = 1,329,373.62 : x - Step 2: Convert to fraction form
2,295,612.09/3,168,291.11 = 1,329,373.62/x - Step 3: Cross multiply
2,295,612.09x = 3,168,291.11 × 1,329,373.62 - Step 4: Simplify right side
2,295,612.09x = 4,211,842,615,467.65 - Step 5: Solve for x
x = 4,211,842,615,467.65/2,295,612.09 - Step 6: Final answer
x = 1,834,736.21
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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.