Finding the Fourth Proportional to 4,812,557.26, 7,219,281.24 and 1,574,113.24
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Solution
The fourth proportional to 4,812,557.26, 7,219,281.24 and 1,574,113.24 is: 2,361,315.53
Step by Step Solution
- Step 1: Write the proportion equation
4,812,557.26 : 7,219,281.24 = 1,574,113.24 : x - Step 2: Convert to fraction form
4,812,557.26/7,219,281.24 = 1,574,113.24/x - Step 3: Cross multiply
4,812,557.26x = 7,219,281.24 × 1,574,113.24 - Step 4: Simplify right side
4,812,557.26x = 11,363,966,183,167.62 - Step 5: Solve for x
x = 11,363,966,183,167.62/4,812,557.26 - Step 6: Final answer
x = 2,361,315.53
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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.