Finding the Fourth Proportional to 1,564,785.92, 2,159,455.92 and 885,707.84
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Solution
The fourth proportional to 1,564,785.92, 2,159,455.92 and 885,707.84 is: 1,222,305.88
Step by Step Solution
- Step 1: Write the proportion equation
1,564,785.92 : 2,159,455.92 = 885,707.84 : x - Step 2: Convert to fraction form
1,564,785.92/2,159,455.92 = 885,707.84/x - Step 3: Cross multiply
1,564,785.92x = 2,159,455.92 × 885,707.84 - Step 4: Simplify right side
1,564,785.92x = 1,912,647,038,478.41 - Step 5: Solve for x
x = 1,912,647,038,478.41/1,564,785.92 - Step 6: Final answer
x = 1,222,305.88
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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.