Finding the Fourth Proportional to 1,768,417.92, 2,440,419.84 and 963,601.92
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Solution
The fourth proportional to 1,768,417.92, 2,440,419.84 and 963,601.92 is: 1,329,772.34
Step by Step Solution
- Step 1: Write the proportion equation
1,768,417.92 : 2,440,419.84 = 963,601.92 : x - Step 2: Convert to fraction form
1,768,417.92/2,440,419.84 = 963,601.92/x - Step 3: Cross multiply
1,768,417.92x = 2,440,419.84 × 963,601.92 - Step 4: Simplify right side
1,768,417.92x = 2,351,593,243,430.09 - Step 5: Solve for x
x = 2,351,593,243,430.09/1,768,417.92 - Step 6: Final answer
x = 1,329,772.34
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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.