Finding the Fourth Proportional to 7,197,762.05, 10,798,534.50 and 2,587,216.13
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Solution
The fourth proportional to 7,197,762.05, 10,798,534.50 and 2,587,216.13 is: 3,881,504.06
Step by Step Solution
- Step 1: Write the proportion equation
7,197,762.05 : 10,798,534.50 = 2,587,216.13 : x - Step 2: Convert to fraction form
7,197,762.05/10,798,534.50 = 2,587,216.13/x - Step 3: Cross multiply
7,197,762.05x = 10,798,534.50 × 2,587,216.13 - Step 4: Simplify right side
7,197,762.05x = 27,938,142,584,768.81 - Step 5: Solve for x
x = 27,938,142,584,768.81/7,197,762.05 - Step 6: Final answer
x = 3,881,504.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.