Finding the Fourth Proportional to 2,549,556.13, 3,518,319.23 and 1,403,645.08
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Solution
The fourth proportional to 2,549,556.13, 3,518,319.23 and 1,403,645.08 is: 1,936,992.64
Step by Step Solution
- Step 1: Write the proportion equation
2,549,556.13 : 3,518,319.23 = 1,403,645.08 : x - Step 2: Convert to fraction form
2,549,556.13/3,518,319.23 = 1,403,645.08/x - Step 3: Cross multiply
2,549,556.13x = 3,518,319.23 × 1,403,645.08 - Step 4: Simplify right side
2,549,556.13x = 4,938,471,470,040.66 - Step 5: Solve for x
x = 4,938,471,470,040.66/2,549,556.13 - Step 6: Final answer
x = 1,936,992.64
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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.