Finding the Fourth Proportional to 1,875,878.88, 2,813,793.84 and 455,930.88
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Solution
The fourth proportional to 1,875,878.88, 2,813,793.84 and 455,930.88 is: 683,890.37
Step by Step Solution
- Step 1: Write the proportion equation
1,875,878.88 : 2,813,793.84 = 455,930.88 : x - Step 2: Convert to fraction form
1,875,878.88/2,813,793.84 = 455,930.88/x - Step 3: Cross multiply
1,875,878.88x = 2,813,793.84 × 455,930.88 - Step 4: Simplify right side
1,875,878.88x = 1,282,895,501,609.78 - Step 5: Solve for x
x = 1,282,895,501,609.78/1,875,878.88 - Step 6: Final answer
x = 683,890.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.