Finding the Fourth Proportional to 1,934,040.70, 2,668,815.75 and 1,062,829.59
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Solution
The fourth proportional to 1,934,040.70, 2,668,815.75 and 1,062,829.59 is: 1,466,616.68
Step by Step Solution
- Step 1: Write the proportion equation
1,934,040.70 : 2,668,815.75 = 1,062,829.59 : x - Step 2: Convert to fraction form
1,934,040.70/2,668,815.75 = 1,062,829.59/x - Step 3: Cross multiply
1,934,040.70x = 2,668,815.75 × 1,062,829.59 - Step 4: Simplify right side
1,934,040.70x = 2,836,496,349,358.04 - Step 5: Solve for x
x = 2,836,496,349,358.04/1,934,040.70 - Step 6: Final answer
x = 1,466,616.68
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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.