Finding the Fourth Proportional to 5,143,210.21, 7,097,357.46 and 2,937,639.95
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Solution
The fourth proportional to 5,143,210.21, 7,097,357.46 and 2,937,639.95 is: 4,053,787.41
Step by Step Solution
- Step 1: Write the proportion equation
5,143,210.21 : 7,097,357.46 = 2,937,639.95 : x - Step 2: Convert to fraction form
5,143,210.21/7,097,357.46 = 2,937,639.95/x - Step 3: Cross multiply
5,143,210.21x = 7,097,357.46 × 2,937,639.95 - Step 4: Simplify right side
5,143,210.21x = 20,849,480,813,926.53 - Step 5: Solve for x
x = 20,849,480,813,926.53/5,143,210.21 - Step 6: Final answer
x = 4,053,787.41
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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.