Finding the Fourth Proportional to 5,075,159.70, 7,609,699.50 and 1,615,405.08
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Solution
The fourth proportional to 5,075,159.70, 7,609,699.50 and 1,615,405.08 is: 2,422,139.98
Step by Step Solution
- Step 1: Write the proportion equation
5,075,159.70 : 7,609,699.50 = 1,615,405.08 : x - Step 2: Convert to fraction form
5,075,159.70/7,609,699.50 = 1,615,405.08/x - Step 3: Cross multiply
5,075,159.70x = 7,609,699.50 × 1,615,405.08 - Step 4: Simplify right side
5,075,159.70x = 12,292,747,229,573.46 - Step 5: Solve for x
x = 12,292,747,229,573.46/5,075,159.70 - Step 6: Final answer
x = 2,422,139.98
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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.