Finding the Fourth Proportional to 3,931,965.84, 5,423,317.80 and 2,624,558.70
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Solution
The fourth proportional to 3,931,965.84, 5,423,317.80 and 2,624,558.70 is: 3,620,025.32
Step by Step Solution
- Step 1: Write the proportion equation
3,931,965.84 : 5,423,317.80 = 2,624,558.70 : x - Step 2: Convert to fraction form
3,931,965.84/5,423,317.80 = 2,624,558.70/x - Step 3: Cross multiply
3,931,965.84x = 5,423,317.80 × 2,624,558.70 - Step 4: Simplify right side
3,931,965.84x = 14,233,815,914,854.86 - Step 5: Solve for x
x = 14,233,815,914,854.86/3,931,965.84 - Step 6: Final answer
x = 3,620,025.32
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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.