Finding the Fourth Proportional to 5,075,121.02, 7,609,641.34 and 1,615,366.30
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Solution
The fourth proportional to 5,075,121.02, 7,609,641.34 and 1,615,366.30 is: 2,422,081.78
Step by Step Solution
- Step 1: Write the proportion equation
5,075,121.02 : 7,609,641.34 = 1,615,366.30 : x - Step 2: Convert to fraction form
5,075,121.02/7,609,641.34 = 1,615,366.30/x - Step 3: Cross multiply
5,075,121.02x = 7,609,641.34 × 1,615,366.30 - Step 4: Simplify right side
5,075,121.02x = 12,292,358,153,786.48 - Step 5: Solve for x
x = 12,292,358,153,786.48/5,075,121.02 - Step 6: Final answer
x = 2,422,081.78
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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.