Finding the Fourth Proportional to 5,390,768.46, 7,439,204.06 and 2,943,371.93
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Solution
The fourth proportional to 5,390,768.46, 7,439,204.06 and 2,943,371.93 is: 4,061,822.45
Step by Step Solution
- Step 1: Write the proportion equation
5,390,768.46 : 7,439,204.06 = 2,943,371.93 : x - Step 2: Convert to fraction form
5,390,768.46/7,439,204.06 = 2,943,371.93/x - Step 3: Cross multiply
5,390,768.46x = 7,439,204.06 × 2,943,371.93 - Step 4: Simplify right side
5,390,768.46x = 21,896,344,370,870.80 - Step 5: Solve for x
x = 21,896,344,370,870.80/5,390,768.46 - Step 6: Final answer
x = 4,061,822.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.