Finding the Fourth Proportional to 1,698,138.48, 2,342,104.44 and 1,053,197.04
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Solution
The fourth proportional to 1,698,138.48, 2,342,104.44 and 1,053,197.04 is: 1,452,589.11
Step by Step Solution
- Step 1: Write the proportion equation
1,698,138.48 : 2,342,104.44 = 1,053,197.04 : x - Step 2: Convert to fraction form
1,698,138.48/2,342,104.44 = 1,053,197.04/x - Step 3: Cross multiply
1,698,138.48x = 2,342,104.44 × 1,053,197.04 - Step 4: Simplify right side
1,698,138.48x = 2,466,697,463,578.86 - Step 5: Solve for x
x = 2,466,697,463,578.86/1,698,138.48 - Step 6: Final answer
x = 1,452,589.11
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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.