Finding the Fourth Proportional to 1,869,510.36, 2,804,737.48 and 521,671.84
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Solution
The fourth proportional to 1,869,510.36, 2,804,737.48 and 521,671.84 is: 782,639.45
Step by Step Solution
- Step 1: Write the proportion equation
1,869,510.36 : 2,804,737.48 = 521,671.84 : x - Step 2: Convert to fraction form
1,869,510.36/2,804,737.48 = 521,671.84/x - Step 3: Cross multiply
1,869,510.36x = 2,804,737.48 × 521,671.84 - Step 4: Simplify right side
1,869,510.36x = 1,463,152,561,908.56 - Step 5: Solve for x
x = 1,463,152,561,908.56/1,869,510.36 - Step 6: Final answer
x = 782,639.45
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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.