Finding the Fourth Proportional to 7,351,038.21, 11,026,567.04 and 1,959,412.53
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Solution
The fourth proportional to 7,351,038.21, 11,026,567.04 and 1,959,412.53 is: 2,939,121.39
Step by Step Solution
- Step 1: Write the proportion equation
7,351,038.21 : 11,026,567.04 = 1,959,412.53 : x - Step 2: Convert to fraction form
7,351,038.21/11,026,567.04 = 1,959,412.53/x - Step 3: Cross multiply
7,351,038.21x = 11,026,567.04 × 1,959,412.53 - Step 4: Simplify right side
7,351,038.21x = 21,605,593,611,263.95 - Step 5: Solve for x
x = 21,605,593,611,263.95/7,351,038.21 - Step 6: Final answer
x = 2,939,121.39
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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.