Finding the Fourth Proportional to 1,896,894.18, 2,617,681.05 and 1,037,435.58
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Solution
The fourth proportional to 1,896,894.18, 2,617,681.05 and 1,037,435.58 is: 1,431,643.10
Step by Step Solution
- Step 1: Write the proportion equation
1,896,894.18 : 2,617,681.05 = 1,037,435.58 : x - Step 2: Convert to fraction form
1,896,894.18/2,617,681.05 = 1,037,435.58/x - Step 3: Cross multiply
1,896,894.18x = 2,617,681.05 × 1,037,435.58 - Step 4: Simplify right side
1,896,894.18x = 2,715,675,458,361.76 - Step 5: Solve for x
x = 2,715,675,458,361.76/1,896,894.18 - Step 6: Final answer
x = 1,431,643.10
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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.