Finding the Fourth Proportional to 5,819,867.84, 8,031,821.28 and 3,528,125.12
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Solution
The fourth proportional to 5,819,867.84, 8,031,821.28 and 3,528,125.12 is: 4,869,057.37
Step by Step Solution
- Step 1: Write the proportion equation
5,819,867.84 : 8,031,821.28 = 3,528,125.12 : x - Step 2: Convert to fraction form
5,819,867.84/8,031,821.28 = 3,528,125.12/x - Step 3: Cross multiply
5,819,867.84x = 8,031,821.28 × 3,528,125.12 - Step 4: Simplify right side
5,819,867.84x = 28,337,270,417,318.55 - Step 5: Solve for x
x = 28,337,270,417,318.55/5,819,867.84 - Step 6: Final answer
x = 4,869,057.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.