Finding the Fourth Proportional to 4,936,985.16, 7,402,814.99 and 2,239,838.65
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Solution
The fourth proportional to 4,936,985.16, 7,402,814.99 and 2,239,838.65 is: 3,358,549.92
Step by Step Solution
- Step 1: Write the proportion equation
4,936,985.16 : 7,402,814.99 = 2,239,838.65 : x - Step 2: Convert to fraction form
4,936,985.16/7,402,814.99 = 2,239,838.65/x - Step 3: Cross multiply
4,936,985.16x = 7,402,814.99 × 2,239,838.65 - Step 4: Simplify right side
4,936,985.16x = 16,581,111,133,401.36 - Step 5: Solve for x
x = 16,581,111,133,401.36/4,936,985.16 - Step 6: Final answer
x = 3,358,549.92
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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.