Finding the Fourth Proportional to 1,936,949.36, 2,671,132.55 and 1,282,536.99
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Solution
The fourth proportional to 1,936,949.36, 2,671,132.55 and 1,282,536.99 is: 1,768,671.07
Step by Step Solution
- Step 1: Write the proportion equation
1,936,949.36 : 2,671,132.55 = 1,282,536.99 : x - Step 2: Convert to fraction form
1,936,949.36/2,671,132.55 = 1,282,536.99/x - Step 3: Cross multiply
1,936,949.36x = 2,671,132.55 × 1,282,536.99 - Step 4: Simplify right side
1,936,949.36x = 3,425,826,294,155.34 - Step 5: Solve for x
x = 3,425,826,294,155.34/1,936,949.36 - Step 6: Final answer
x = 1,768,671.07
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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.