Finding the Fourth Proportional to 4,885,405.07, 7,328,169.97 and 1,291,140.97
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Solution
The fourth proportional to 4,885,405.07, 7,328,169.97 and 1,291,140.97 is: 1,936,727.94
Step by Step Solution
- Step 1: Write the proportion equation
4,885,405.07 : 7,328,169.97 = 1,291,140.97 : x - Step 2: Convert to fraction form
4,885,405.07/7,328,169.97 = 1,291,140.97/x - Step 3: Cross multiply
4,885,405.07x = 7,328,169.97 × 1,291,140.97 - Step 4: Simplify right side
4,885,405.07x = 9,461,700,483,390.67 - Step 5: Solve for x
x = 9,461,700,483,390.67/4,885,405.07 - Step 6: Final answer
x = 1,936,727.94
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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.