Finding the Fourth Proportional to 4,314,931.20, 6,470,841.60 and 2,184,307.20
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Solution
The fourth proportional to 4,314,931.20, 6,470,841.60 and 2,184,307.20 is: 3,275,673.53
Step by Step Solution
- Step 1: Write the proportion equation
4,314,931.20 : 6,470,841.60 = 2,184,307.20 : x - Step 2: Convert to fraction form
4,314,931.20/6,470,841.60 = 2,184,307.20/x - Step 3: Cross multiply
4,314,931.20x = 6,470,841.60 × 2,184,307.20 - Step 4: Simplify right side
4,314,931.20x = 14,134,305,896,939.52 - Step 5: Solve for x
x = 14,134,305,896,939.52/4,314,931.20 - Step 6: Final answer
x = 3,275,673.53
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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.