Finding the Fourth Proportional to 1,810,640.64, 2,498,674.08 and 983,707.20
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Solution
The fourth proportional to 1,810,640.64, 2,498,674.08 and 983,707.20 is: 1,357,510.50
Step by Step Solution
- Step 1: Write the proportion equation
1,810,640.64 : 2,498,674.08 = 983,707.20 : x - Step 2: Convert to fraction form
1,810,640.64/2,498,674.08 = 983,707.20/x - Step 3: Cross multiply
1,810,640.64x = 2,498,674.08 × 983,707.20 - Step 4: Simplify right side
1,810,640.64x = 2,457,963,682,949.38 - Step 5: Solve for x
x = 2,457,963,682,949.38/1,810,640.64 - Step 6: Final answer
x = 1,357,510.50
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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.