Finding the Fourth Proportional to 4,157,619.60, 6,232,930.20 and 2,163,075.60
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Solution
The fourth proportional to 4,157,619.60, 6,232,930.20 and 2,163,075.60 is: 3,242,792.88
Step by Step Solution
- Step 1: Write the proportion equation
4,157,619.60 : 6,232,930.20 = 2,163,075.60 : x - Step 2: Convert to fraction form
4,157,619.60/6,232,930.20 = 2,163,075.60/x - Step 3: Cross multiply
4,157,619.60x = 6,232,930.20 × 2,163,075.60 - Step 4: Simplify right side
4,157,619.60x = 13,482,299,232,123.12 - Step 5: Solve for x
x = 13,482,299,232,123.12/4,157,619.60 - Step 6: Final answer
x = 3,242,792.88
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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.