Finding the Fourth Proportional to 1,405,868.84, 2,108,366.90 and 507,193.49
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Solution
The fourth proportional to 1,405,868.84, 2,108,366.90 and 507,193.49 is: 760,632.80
Step by Step Solution
- Step 1: Write the proportion equation
1,405,868.84 : 2,108,366.90 = 507,193.49 : x - Step 2: Convert to fraction form
1,405,868.84/2,108,366.90 = 507,193.49/x - Step 3: Cross multiply
1,405,868.84x = 2,108,366.90 × 507,193.49 - Step 4: Simplify right side
1,405,868.84x = 1,069,349,953,133.68 - Step 5: Solve for x
x = 1,069,349,953,133.68/1,405,868.84 - Step 6: Final answer
x = 760,632.80
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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.