Finding the Fourth Proportional to 1,518,742.16, 2,275,928.14 and 653,939.68
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Solution
The fourth proportional to 1,518,742.16, 2,275,928.14 and 653,939.68 is: 979,968.66
Step by Step Solution
- Step 1: Write the proportion equation
1,518,742.16 : 2,275,928.14 = 653,939.68 : x - Step 2: Convert to fraction form
1,518,742.16/2,275,928.14 = 653,939.68/x - Step 3: Cross multiply
1,518,742.16x = 2,275,928.14 × 653,939.68 - Step 4: Simplify right side
1,518,742.16x = 1,488,319,719,574.60 - Step 5: Solve for x
x = 1,488,319,719,574.60/1,518,742.16 - Step 6: Final answer
x = 979,968.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.