Finding the Fourth Proportional to 5,528,090.76, 7,628,430.11 and 3,047,202.94
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Solution
The fourth proportional to 5,528,090.76, 7,628,430.11 and 3,047,202.94 is: 4,204,955.32
Step by Step Solution
- Step 1: Write the proportion equation
5,528,090.76 : 7,628,430.11 = 3,047,202.94 : x - Step 2: Convert to fraction form
5,528,090.76/7,628,430.11 = 3,047,202.94/x - Step 3: Cross multiply
5,528,090.76x = 7,628,430.11 × 3,047,202.94 - Step 4: Simplify right side
5,528,090.76x = 23,245,374,658,776.52 - Step 5: Solve for x
x = 23,245,374,658,776.52/5,528,090.76 - Step 6: Final answer
x = 4,204,955.32
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1.5x scale
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.