Finding the Fourth Proportional to 4,312,187.22, 6,466,881.20 and 1,432,780.76
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Solution
The fourth proportional to 4,312,187.22, 6,466,881.20 and 1,432,780.76 is: 2,148,706.09
Step by Step Solution
- Step 1: Write the proportion equation
4,312,187.22 : 6,466,881.20 = 1,432,780.76 : x - Step 2: Convert to fraction form
4,312,187.22/6,466,881.20 = 1,432,780.76/x - Step 3: Cross multiply
4,312,187.22x = 6,466,881.20 × 1,432,780.76 - Step 4: Simplify right side
4,312,187.22x = 9,265,622,921,067.40 - Step 5: Solve for x
x = 9,265,622,921,067.40/4,312,187.22 - Step 6: Final answer
x = 2,148,706.09
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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.