Finding the Fourth Proportional to 4,430,462.90, 6,645,693.60 and 1,064,669.90
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Solution
The fourth proportional to 4,430,462.90, 6,645,693.60 and 1,064,669.90 is: 1,597,004.66
Step by Step Solution
- Step 1: Write the proportion equation
4,430,462.90 : 6,645,693.60 = 1,064,669.90 : x - Step 2: Convert to fraction form
4,430,462.90/6,645,693.60 = 1,064,669.90/x - Step 3: Cross multiply
4,430,462.90x = 6,645,693.60 × 1,064,669.90 - Step 4: Simplify right side
4,430,462.90x = 7,075,469,907,314.17 - Step 5: Solve for x
x = 7,075,469,907,314.17/4,430,462.90 - Step 6: Final answer
x = 1,597,004.66
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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.