Finding the Fourth Proportional to 1,900,307.84, 2,622,392.41 and 1,029,135.47
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Solution
The fourth proportional to 1,900,307.84, 2,622,392.41 and 1,029,135.47 is: 1,420,189.40
Step by Step Solution
- Step 1: Write the proportion equation
1,900,307.84 : 2,622,392.41 = 1,029,135.47 : x - Step 2: Convert to fraction form
1,900,307.84/2,622,392.41 = 1,029,135.47/x - Step 3: Cross multiply
1,900,307.84x = 2,622,392.41 × 1,029,135.47 - Step 4: Simplify right side
1,900,307.84x = 2,698,797,049,372.93 - Step 5: Solve for x
x = 2,698,797,049,372.93/1,900,307.84 - Step 6: Final answer
x = 1,420,189.40
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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.