Finding the Fourth Proportional to 4,219,867.28, 6,329,800.99 and 1,024,971.92
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Solution
The fourth proportional to 4,219,867.28, 6,329,800.99 and 1,024,971.92 is: 1,537,457.91
Step by Step Solution
- Step 1: Write the proportion equation
4,219,867.28 : 6,329,800.99 = 1,024,971.92 : x - Step 2: Convert to fraction form
4,219,867.28/6,329,800.99 = 1,024,971.92/x - Step 3: Cross multiply
4,219,867.28x = 6,329,800.99 × 1,024,971.92 - Step 4: Simplify right side
4,219,867.28x = 6,487,868,302,912.30 - Step 5: Solve for x
x = 6,487,868,302,912.30/4,219,867.28 - Step 6: Final answer
x = 1,537,457.91
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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.