Finding the Fourth Proportional to 4,430,367.38, 6,645,551.06 and 1,064,574.38
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Solution
The fourth proportional to 4,430,367.38, 6,645,551.06 and 1,064,574.38 is: 1,596,861.56
Step by Step Solution
- Step 1: Write the proportion equation
4,430,367.38 : 6,645,551.06 = 1,064,574.38 : x - Step 2: Convert to fraction form
4,430,367.38/6,645,551.06 = 1,064,574.38/x - Step 3: Cross multiply
4,430,367.38x = 6,645,551.06 × 1,064,574.38 - Step 4: Simplify right side
4,430,367.38x = 7,074,683,360,907.22 - Step 5: Solve for x
x = 7,074,683,360,907.22/4,430,367.38 - Step 6: Final answer
x = 1,596,861.56
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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.