Finding the Fourth Proportional to 3,403,873.76, 4,697,121.60 and 1,875,977.12
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Solution
The fourth proportional to 3,403,873.76, 4,697,121.60 and 1,875,977.12 is: 2,588,724.87
Step by Step Solution
- Step 1: Write the proportion equation
3,403,873.76 : 4,697,121.60 = 1,875,977.12 : x - Step 2: Convert to fraction form
3,403,873.76/4,697,121.60 = 1,875,977.12/x - Step 3: Cross multiply
3,403,873.76x = 4,697,121.60 × 1,875,977.12 - Step 4: Simplify right side
3,403,873.76x = 8,811,692,651,457.79 - Step 5: Solve for x
x = 8,811,692,651,457.79/3,403,873.76 - Step 6: Final answer
x = 2,588,724.87
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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.