Finding the Fourth Proportional to 4,973,611.81, 7,460,417.30 and 1,379,378.71
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Solution
The fourth proportional to 4,973,611.81, 7,460,417.30 and 1,379,378.71 is: 2,069,067.95
Step by Step Solution
- Step 1: Write the proportion equation
4,973,611.81 : 7,460,417.30 = 1,379,378.71 : x - Step 2: Convert to fraction form
4,973,611.81/7,460,417.30 = 1,379,378.71/x - Step 3: Cross multiply
4,973,611.81x = 7,460,417.30 × 1,379,378.71 - Step 4: Simplify right side
4,973,611.81x = 10,290,740,776,133.09 - Step 5: Solve for x
x = 10,290,740,776,133.09/4,973,611.81 - Step 6: Final answer
x = 2,069,067.95
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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.