Finding the Fourth Proportional to 4,700,821.91, 7,051,235.18 and 3,103,011.54
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Solution
The fourth proportional to 4,700,821.91, 7,051,235.18 and 3,103,011.54 is: 4,654,518.84
Step by Step Solution
- Step 1: Write the proportion equation
4,700,821.91 : 7,051,235.18 = 3,103,011.54 : x - Step 2: Convert to fraction form
4,700,821.91/7,051,235.18 = 3,103,011.54/x - Step 3: Cross multiply
4,700,821.91x = 7,051,235.18 × 3,103,011.54 - Step 4: Simplify right side
4,700,821.91x = 21,880,064,119,278.92 - Step 5: Solve for x
x = 21,880,064,119,278.92/4,700,821.91 - Step 6: Final answer
x = 4,654,518.84
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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.