Finding the Fourth Proportional to 2,453,973.02, 3,385,606.10 and 1,420,916.84
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Solution
The fourth proportional to 2,453,973.02, 3,385,606.10 and 1,420,916.84 is: 1,960,357.62
Step by Step Solution
- Step 1: Write the proportion equation
2,453,973.02 : 3,385,606.10 = 1,420,916.84 : x - Step 2: Convert to fraction form
2,453,973.02/3,385,606.10 = 1,420,916.84/x - Step 3: Cross multiply
2,453,973.02x = 3,385,606.10 × 1,420,916.84 - Step 4: Simplify right side
2,453,973.02x = 4,810,664,697,064.11 - Step 5: Solve for x
x = 4,810,664,697,064.11/2,453,973.02 - Step 6: Final answer
x = 1,960,357.62
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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.