Finding the Fourth Proportional to 2,418,768.84, 3,338,038.86 and 1,386,448.44
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Solution
The fourth proportional to 2,418,768.84, 3,338,038.86 and 1,386,448.44 is: 1,913,377.87
Step by Step Solution
- Step 1: Write the proportion equation
2,418,768.84 : 3,338,038.86 = 1,386,448.44 : x - Step 2: Convert to fraction form
2,418,768.84/3,338,038.86 = 1,386,448.44/x - Step 3: Cross multiply
2,418,768.84x = 3,338,038.86 × 1,386,448.44 - Step 4: Simplify right side
2,418,768.84x = 4,628,018,770,106.38 - Step 5: Solve for x
x = 4,628,018,770,106.38/2,418,768.84 - Step 6: Final answer
x = 1,913,377.87
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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.