Finding the Fourth Proportional to 1,813,547.58, 2,503,369.35 and 1,557,872.70
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Solution
The fourth proportional to 1,813,547.58, 2,503,369.35 and 1,557,872.70 is: 2,150,443.04
Step by Step Solution
- Step 1: Write the proportion equation
1,813,547.58 : 2,503,369.35 = 1,557,872.70 : x - Step 2: Convert to fraction form
1,813,547.58/2,503,369.35 = 1,557,872.70/x - Step 3: Cross multiply
1,813,547.58x = 2,503,369.35 × 1,557,872.70 - Step 4: Simplify right side
1,813,547.58x = 3,899,930,768,381.75 - Step 5: Solve for x
x = 3,899,930,768,381.75/1,813,547.58 - Step 6: Final answer
x = 2,150,443.04
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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.