Finding the Fourth Proportional to 1,584,995.34, 2,187,293.58 and 905,946.42
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Solution
The fourth proportional to 1,584,995.34, 2,187,293.58 and 905,946.42 is: 1,250,206.07
Step by Step Solution
- Step 1: Write the proportion equation
1,584,995.34 : 2,187,293.58 = 905,946.42 : x - Step 2: Convert to fraction form
1,584,995.34/2,187,293.58 = 905,946.42/x - Step 3: Cross multiply
1,584,995.34x = 2,187,293.58 × 905,946.42 - Step 4: Simplify right side
1,584,995.34x = 1,981,570,788,289.98 - Step 5: Solve for x
x = 1,981,570,788,289.98/1,584,995.34 - Step 6: Final answer
x = 1,250,206.07
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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.