Finding the Fourth Proportional to 4,775,437.34, 7,163,934.09 and 1,409,984.54
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Solution
The fourth proportional to 4,775,437.34, 7,163,934.09 and 1,409,984.54 is: 2,115,206.54
Step by Step Solution
- Step 1: Write the proportion equation
4,775,437.34 : 7,163,934.09 = 1,409,984.54 : x - Step 2: Convert to fraction form
4,775,437.34/7,163,934.09 = 1,409,984.54/x - Step 3: Cross multiply
4,775,437.34x = 7,163,934.09 × 1,409,984.54 - Step 4: Simplify right side
4,775,437.34x = 10,101,036,312,478.97 - Step 5: Solve for x
x = 10,101,036,312,478.97/4,775,437.34 - Step 6: Final answer
x = 2,115,206.54
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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.