Finding the Fourth Proportional to 5,786,259.84, 8,679,455.64 and 2,191,050.54
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Solution
The fourth proportional to 5,786,259.84, 8,679,455.64 and 2,191,050.54 is: 3,286,600.76
Step by Step Solution
- Step 1: Write the proportion equation
5,786,259.84 : 8,679,455.64 = 2,191,050.54 : x - Step 2: Convert to fraction form
5,786,259.84/8,679,455.64 = 2,191,050.54/x - Step 3: Cross multiply
5,786,259.84x = 8,679,455.64 × 2,191,050.54 - Step 4: Simplify right side
5,786,259.84x = 19,017,125,966,928.05 - Step 5: Solve for x
x = 19,017,125,966,928.05/5,786,259.84 - Step 6: Final answer
x = 3,286,600.76
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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.