Finding the Fourth Proportional to 4,839,109.38, 7,258,681.08 and 1,427,437.98
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Solution
The fourth proportional to 4,839,109.38, 7,258,681.08 and 1,427,437.98 is: 2,141,161.99
Step by Step Solution
- Step 1: Write the proportion equation
4,839,109.38 : 7,258,681.08 = 1,427,437.98 : x - Step 2: Convert to fraction form
4,839,109.38/7,258,681.08 = 1,427,437.98/x - Step 3: Cross multiply
4,839,109.38x = 7,258,681.08 × 1,427,437.98 - Step 4: Simplify right side
4,839,109.38x = 10,361,317,058,299.42 - Step 5: Solve for x
x = 10,361,317,058,299.42/4,839,109.38 - Step 6: Final answer
x = 2,141,161.99
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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.