Finding the Fourth Proportional to 3,851,746.99, 5,315,345.49 and 2,132,830.60
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Solution
The fourth proportional to 3,851,746.99, 5,315,345.49 and 2,132,830.60 is: 2,943,270.03
Step by Step Solution
- Step 1: Write the proportion equation
3,851,746.99 : 5,315,345.49 = 2,132,830.60 : x - Step 2: Convert to fraction form
3,851,746.99/5,315,345.49 = 2,132,830.60/x - Step 3: Cross multiply
3,851,746.99x = 5,315,345.49 × 2,132,830.60 - Step 4: Simplify right side
3,851,746.99x = 11,336,731,489,357.52 - Step 5: Solve for x
x = 11,336,731,489,357.52/3,851,746.99 - Step 6: Final answer
x = 2,943,270.03
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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.