Finding the Fourth Proportional to 1,621,762.84, 2,237,936.30 and 896,567.12
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Solution
The fourth proportional to 1,621,762.84, 2,237,936.30 and 896,567.12 is: 1,237,209.32
Step by Step Solution
- Step 1: Write the proportion equation
1,621,762.84 : 2,237,936.30 = 896,567.12 : x - Step 2: Convert to fraction form
1,621,762.84/2,237,936.30 = 896,567.12/x - Step 3: Cross multiply
1,621,762.84x = 2,237,936.30 × 896,567.12 - Step 4: Simplify right side
1,621,762.84x = 2,006,460,103,234.46 - Step 5: Solve for x
x = 2,006,460,103,234.46/1,621,762.84 - Step 6: Final answer
x = 1,237,209.32
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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.