Finding the Fourth Proportional to 1,658,620.58, 2,487,928.79 and 521,482.07
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Solution
The fourth proportional to 1,658,620.58, 2,487,928.79 and 521,482.07 is: 782,222.46
Step by Step Solution
- Step 1: Write the proportion equation
1,658,620.58 : 2,487,928.79 = 521,482.07 : x - Step 2: Convert to fraction form
1,658,620.58/2,487,928.79 = 521,482.07/x - Step 3: Cross multiply
1,658,620.58x = 2,487,928.79 × 521,482.07 - Step 4: Simplify right side
1,658,620.58x = 1,297,410,262,945.32 - Step 5: Solve for x
x = 1,297,410,262,945.32/1,658,620.58 - Step 6: Final answer
x = 782,222.46
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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.