Finding the Fourth Proportional to 1,486,789.93, 2,051,812.14 and 842,209.93
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Solution
The fourth proportional to 1,486,789.93, 2,051,812.14 and 842,209.93 is: 1,162,273.52
Step by Step Solution
- Step 1: Write the proportion equation
1,486,789.93 : 2,051,812.14 = 842,209.93 : x - Step 2: Convert to fraction form
1,486,789.93/2,051,812.14 = 842,209.93/x - Step 3: Cross multiply
1,486,789.93x = 2,051,812.14 × 842,209.93 - Step 4: Simplify right side
1,486,789.93x = 1,728,056,558,802.55 - Step 5: Solve for x
x = 1,728,056,558,802.55/1,486,789.93 - Step 6: Final answer
x = 1,162,273.52
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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.