Finding the Fourth Proportional to 1,802,455.84, 2,487,385.44 and 986,659.75
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Solution
The fourth proportional to 1,802,455.84, 2,487,385.44 and 986,659.75 is: 1,361,588.47
Step by Step Solution
- Step 1: Write the proportion equation
1,802,455.84 : 2,487,385.44 = 986,659.75 : x - Step 2: Convert to fraction form
1,802,455.84/2,487,385.44 = 986,659.75/x - Step 3: Cross multiply
1,802,455.84x = 2,487,385.44 × 986,659.75 - Step 4: Simplify right side
1,802,455.84x = 2,454,203,096,384.04 - Step 5: Solve for x
x = 2,454,203,096,384.04/1,802,455.84 - Step 6: Final answer
x = 1,361,588.47
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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.