Finding the Fourth Proportional to 2,018,785.74, 3,028,628.70 and 579,356.94
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Solution
The fourth proportional to 2,018,785.74, 3,028,628.70 and 579,356.94 is: 869,164.58
Step by Step Solution
- Step 1: Write the proportion equation
2,018,785.74 : 3,028,628.70 = 579,356.94 : x - Step 2: Convert to fraction form
2,018,785.74/3,028,628.70 = 579,356.94/x - Step 3: Cross multiply
2,018,785.74x = 3,028,628.70 × 579,356.94 - Step 4: Simplify right side
2,018,785.74x = 1,754,657,056,028.18 - Step 5: Solve for x
x = 1,754,657,056,028.18/2,018,785.74 - Step 6: Final answer
x = 869,164.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.