Finding the Fourth Proportional to 1,698,585.36, 2,547,879.96 and 436,423.44
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Solution
The fourth proportional to 1,698,585.36, 2,547,879.96 and 436,423.44 is: 654,635.65
Step by Step Solution
- Step 1: Write the proportion equation
1,698,585.36 : 2,547,879.96 = 436,423.44 : x - Step 2: Convert to fraction form
1,698,585.36/2,547,879.96 = 436,423.44/x - Step 3: Cross multiply
1,698,585.36x = 2,547,879.96 × 436,423.44 - Step 4: Simplify right side
1,698,585.36x = 1,111,954,536,850.26 - Step 5: Solve for x
x = 1,111,954,536,850.26/1,698,585.36 - Step 6: Final answer
x = 654,635.65
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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.