Finding the Fourth Proportional to 1,675,919.12, 2,513,883.84 and 413,746.88
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Solution
The fourth proportional to 1,675,919.12, 2,513,883.84 and 413,746.88 is: 620,621.59
Step by Step Solution
- Step 1: Write the proportion equation
1,675,919.12 : 2,513,883.84 = 413,746.88 : x - Step 2: Convert to fraction form
1,675,919.12/2,513,883.84 = 413,746.88/x - Step 3: Cross multiply
1,675,919.12x = 2,513,883.84 × 413,746.88 - Step 4: Simplify right side
1,675,919.12x = 1,040,111,595,482.42 - Step 5: Solve for x
x = 1,040,111,595,482.42/1,675,919.12 - Step 6: Final answer
x = 620,621.59
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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.