Finding the Fourth Proportional to 1,925,031.84, 2,656,511.70 and 1,065,573.60
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Solution
The fourth proportional to 1,925,031.84, 2,656,511.70 and 1,065,573.60 is: 1,470,473.72
Step by Step Solution
- Step 1: Write the proportion equation
1,925,031.84 : 2,656,511.70 = 1,065,573.60 : x - Step 2: Convert to fraction form
1,925,031.84/2,656,511.70 = 1,065,573.60/x - Step 3: Cross multiply
1,925,031.84x = 2,656,511.70 × 1,065,573.60 - Step 4: Simplify right side
1,925,031.84x = 2,830,708,735,611.12 - Step 5: Solve for x
x = 2,830,708,735,611.12/1,925,031.84 - Step 6: Final answer
x = 1,470,473.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.