Finding the Fourth Proportional to 4,075,215.60, 6,115,588.20 and 2,651,804.40
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Solution
The fourth proportional to 4,075,215.60, 6,115,588.20 and 2,651,804.40 is: 3,979,505.70
Step by Step Solution
- Step 1: Write the proportion equation
4,075,215.60 : 6,115,588.20 = 2,651,804.40 : x - Step 2: Convert to fraction form
4,075,215.60/6,115,588.20 = 2,651,804.40/x - Step 3: Cross multiply
4,075,215.60x = 6,115,588.20 × 2,651,804.40 - Step 4: Simplify right side
4,075,215.60x = 16,217,343,697,348.08 - Step 5: Solve for x
x = 16,217,343,697,348.08/4,075,215.60 - Step 6: Final answer
x = 3,979,505.70
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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.