Finding the Fourth Proportional to 2,768,312.36, 4,149,931.62 and 970,215.68
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Solution
The fourth proportional to 2,768,312.36, 4,149,931.62 and 970,215.68 is: 1,454,434.40
Step by Step Solution
- Step 1: Write the proportion equation
2,768,312.36 : 4,149,931.62 = 970,215.68 : x - Step 2: Convert to fraction form
2,768,312.36/4,149,931.62 = 970,215.68/x - Step 3: Cross multiply
2,768,312.36x = 4,149,931.62 × 970,215.68 - Step 4: Simplify right side
2,768,312.36x = 4,026,328,728,651.80 - Step 5: Solve for x
x = 4,026,328,728,651.80/2,768,312.36 - Step 6: Final answer
x = 1,454,434.40
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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.