Finding the Fourth Proportional to 2,105,237.30, 2,905,009.53 and 1,554,246.23
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Solution
The fourth proportional to 2,105,237.30, 2,905,009.53 and 1,554,246.23 is: 2,144,698.89
Step by Step Solution
- Step 1: Write the proportion equation
2,105,237.30 : 2,905,009.53 = 1,554,246.23 : x - Step 2: Convert to fraction form
2,105,237.30/2,905,009.53 = 1,554,246.23/x - Step 3: Cross multiply
2,105,237.30x = 2,905,009.53 × 1,554,246.23 - Step 4: Simplify right side
2,105,237.30x = 4,515,100,091,948.99 - Step 5: Solve for x
x = 4,515,100,091,948.99/2,105,237.30 - Step 6: Final answer
x = 2,144,698.89
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1.5x scale
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.