Finding the Fourth Proportional to 1,700,899.39, 2,551,285.15 and 421,510.53
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Solution
The fourth proportional to 1,700,899.39, 2,551,285.15 and 421,510.53 is: 632,249.95
Step by Step Solution
- Step 1: Write the proportion equation
1,700,899.39 : 2,551,285.15 = 421,510.53 : x - Step 2: Convert to fraction form
1,700,899.39/2,551,285.15 = 421,510.53/x - Step 3: Cross multiply
1,700,899.39x = 2,551,285.15 × 421,510.53 - Step 4: Simplify right side
1,700,899.39x = 1,075,393,553,650.08 - Step 5: Solve for x
x = 1,075,393,553,650.08/1,700,899.39 - Step 6: Final answer
x = 632,249.95
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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.