Finding the Fourth Proportional to 1,521,246.18, 2,099,239.80 and 832,786.10
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Solution
The fourth proportional to 1,521,246.18, 2,099,239.80 and 832,786.10 is: 1,149,201.06
Step by Step Solution
- Step 1: Write the proportion equation
1,521,246.18 : 2,099,239.80 = 832,786.10 : x - Step 2: Convert to fraction form
1,521,246.18/2,099,239.80 = 832,786.10/x - Step 3: Cross multiply
1,521,246.18x = 2,099,239.80 × 832,786.10 - Step 4: Simplify right side
1,521,246.18x = 1,748,217,715,510.58 - Step 5: Solve for x
x = 1,748,217,715,510.58/1,521,246.18 - Step 6: Final answer
x = 1,149,201.06
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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.