Finding the Fourth Proportional to 6,871,809.96, 9,483,211.96 and 3,774,619.70
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Solution
The fourth proportional to 6,871,809.96, 9,483,211.96 and 3,774,619.70 is: 5,209,037.92
Step by Step Solution
- Step 1: Write the proportion equation
6,871,809.96 : 9,483,211.96 = 3,774,619.70 : x - Step 2: Convert to fraction form
6,871,809.96/9,483,211.96 = 3,774,619.70/x - Step 3: Cross multiply
6,871,809.96x = 9,483,211.96 × 3,774,619.70 - Step 4: Simplify right side
6,871,809.96x = 35,795,518,683,491.62 - Step 5: Solve for x
x = 35,795,518,683,491.62/6,871,809.96 - Step 6: Final answer
x = 5,209,037.92
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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.