Finding the Fourth Proportional to 5,118,759.36, 7,679,574 and 2,240,376.84
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Solution
The fourth proportional to 5,118,759.36, 7,679,574 and 2,240,376.84 is: 3,361,193.31
Step by Step Solution
- Step 1: Write the proportion equation
5,118,759.36 : 7,679,574 = 2,240,376.84 : x - Step 2: Convert to fraction form
5,118,759.36/7,679,574 = 2,240,376.84/x - Step 3: Cross multiply
5,118,759.36x = 7,679,574 × 2,240,376.84 - Step 4: Simplify right side
5,118,759.36x = 17,205,139,730,666.16 - Step 5: Solve for x
x = 17,205,139,730,666.16/5,118,759.36 - Step 6: Final answer
x = 3,361,193.31
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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.