Finding the Fourth Proportional to 1,894,607.28, 2,615,716.68 and 1,232,949.60
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Solution
The fourth proportional to 1,894,607.28, 2,615,716.68 and 1,232,949.60 is: 1,702,224.45
Step by Step Solution
- Step 1: Write the proportion equation
1,894,607.28 : 2,615,716.68 = 1,232,949.60 : x - Step 2: Convert to fraction form
1,894,607.28/2,615,716.68 = 1,232,949.60/x - Step 3: Cross multiply
1,894,607.28x = 2,615,716.68 × 1,232,949.60 - Step 4: Simplify right side
1,894,607.28x = 3,225,046,834,319.33 - Step 5: Solve for x
x = 3,225,046,834,319.33/1,894,607.28 - Step 6: Final answer
x = 1,702,224.45
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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.