Finding the Fourth Proportional to 4,681,438.62, 7,022,157.83 and 1,315,645.62
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Solution
The fourth proportional to 4,681,438.62, 7,022,157.83 and 1,315,645.62 is: 1,973,468.40
Step by Step Solution
- Step 1: Write the proportion equation
4,681,438.62 : 7,022,157.83 = 1,315,645.62 : x - Step 2: Convert to fraction form
4,681,438.62/7,022,157.83 = 1,315,645.62/x - Step 3: Cross multiply
4,681,438.62x = 7,022,157.83 × 1,315,645.62 - Step 4: Simplify right side
4,681,438.62x = 9,238,671,185,409.98 - Step 5: Solve for x
x = 9,238,671,185,409.98/4,681,438.62 - Step 6: Final answer
x = 1,973,468.40
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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.