Finding the Fourth Proportional to 1,447,682.22, 2,170,110.99 and 689,319.99
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Solution
The fourth proportional to 1,447,682.22, 2,170,110.99 and 689,319.99 is: 1,033,307.49
Step by Step Solution
- Step 1: Write the proportion equation
1,447,682.22 : 2,170,110.99 = 689,319.99 : x - Step 2: Convert to fraction form
1,447,682.22/2,170,110.99 = 689,319.99/x - Step 3: Cross multiply
1,447,682.22x = 2,170,110.99 × 689,319.99 - Step 4: Simplify right side
1,447,682.22x = 1,495,900,885,925.69 - Step 5: Solve for x
x = 1,495,900,885,925.69/1,447,682.22 - Step 6: Final answer
x = 1,033,307.49
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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.