Finding the Fourth Proportional to 1,482,879.60, 2,224,319.40 and 876,643.20
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Solution
The fourth proportional to 1,482,879.60, 2,224,319.40 and 876,643.20 is: 1,314,964.80
Step by Step Solution
- Step 1: Write the proportion equation
1,482,879.60 : 2,224,319.40 = 876,643.20 : x - Step 2: Convert to fraction form
1,482,879.60/2,224,319.40 = 876,643.20/x - Step 3: Cross multiply
1,482,879.60x = 2,224,319.40 × 876,643.20 - Step 4: Simplify right side
1,482,879.60x = 1,949,934,476,638.08 - Step 5: Solve for x
x = 1,949,934,476,638.08/1,482,879.60 - Step 6: Final answer
x = 1,314,964.80
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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.