Finding the Fourth Proportional to 5,422,720.08, 7,483,101.06 and 2,975,275.92
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Solution
The fourth proportional to 5,422,720.08, 7,483,101.06 and 2,975,275.92 is: 4,105,742.15
Step by Step Solution
- Step 1: Write the proportion equation
5,422,720.08 : 7,483,101.06 = 2,975,275.92 : x - Step 2: Convert to fraction form
5,422,720.08/7,483,101.06 = 2,975,275.92/x - Step 3: Cross multiply
5,422,720.08x = 7,483,101.06 × 2,975,275.92 - Step 4: Simplify right side
5,422,720.08x = 22,264,290,390,744.47 - Step 5: Solve for x
x = 22,264,290,390,744.47/5,422,720.08 - Step 6: Final answer
x = 4,105,742.15
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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.