Finding the Fourth Proportional to 5,307,075.50, 7,323,258.11 and 3,102,453.77
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Solution
The fourth proportional to 5,307,075.50, 7,323,258.11 and 3,102,453.77 is: 4,281,090.35
Step by Step Solution
- Step 1: Write the proportion equation
5,307,075.50 : 7,323,258.11 = 3,102,453.77 : x - Step 2: Convert to fraction form
5,307,075.50/7,323,258.11 = 3,102,453.77/x - Step 3: Cross multiply
5,307,075.50x = 7,323,258.11 × 3,102,453.77 - Step 4: Simplify right side
5,307,075.50x = 22,720,069,679,924.02 - Step 5: Solve for x
x = 22,720,069,679,924.02/5,307,075.50 - Step 6: Final answer
x = 4,281,090.35
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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.