Finding the Fourth Proportional to 1,927,031.84, 2,658,099.92 and 1,239,598.97
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Solution
The fourth proportional to 1,927,031.84, 2,658,099.92 and 1,239,598.97 is: 1,709,872.06
Step by Step Solution
- Step 1: Write the proportion equation
1,927,031.84 : 2,658,099.92 = 1,239,598.97 : x - Step 2: Convert to fraction form
1,927,031.84/2,658,099.92 = 1,239,598.97/x - Step 3: Cross multiply
1,927,031.84x = 2,658,099.92 × 1,239,598.97 - Step 4: Simplify right side
1,927,031.84x = 3,294,977,912,797.58 - Step 5: Solve for x
x = 3,294,977,912,797.58/1,927,031.84 - Step 6: Final answer
x = 1,709,872.06
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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.