Finding the Fourth Proportional to 6,427,506.96, 8,869,313.57 and 3,849,121.44
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Solution
The fourth proportional to 6,427,506.96, 8,869,313.57 and 3,849,121.44 is: 5,311,400.71
Step by Step Solution
- Step 1: Write the proportion equation
6,427,506.96 : 8,869,313.57 = 3,849,121.44 : x - Step 2: Convert to fraction form
6,427,506.96/8,869,313.57 = 3,849,121.44/x - Step 3: Cross multiply
6,427,506.96x = 8,869,313.57 × 3,849,121.44 - Step 4: Simplify right side
6,427,506.96x = 34,139,065,001,124.33 - Step 5: Solve for x
x = 34,139,065,001,124.33/6,427,506.96 - Step 6: Final answer
x = 5,311,400.71
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1.5x scale
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.