Finding the Fourth Proportional to 6,867,879.64, 10,302,038.97 and 3,454,303.12
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Solution
The fourth proportional to 6,867,879.64, 10,302,038.97 and 3,454,303.12 is: 5,181,565.09
Step by Step Solution
- Step 1: Write the proportion equation
6,867,879.64 : 10,302,038.97 = 3,454,303.12 : x - Step 2: Convert to fraction form
6,867,879.64/10,302,038.97 = 3,454,303.12/x - Step 3: Cross multiply
6,867,879.64x = 10,302,038.97 × 3,454,303.12 - Step 4: Simplify right side
6,867,879.64x = 35,586,365,356,432.59 - Step 5: Solve for x
x = 35,586,365,356,432.59/6,867,879.64 - Step 6: Final answer
x = 5,181,565.09
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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.