Finding the Fourth Proportional to 1,909,030.80, 2,634,395.16 and 1,049,584.44
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Solution
The fourth proportional to 1,909,030.80, 2,634,395.16 and 1,049,584.44 is: 1,448,389.50
Step by Step Solution
- Step 1: Write the proportion equation
1,909,030.80 : 2,634,395.16 = 1,049,584.44 : x - Step 2: Convert to fraction form
1,909,030.80/2,634,395.16 = 1,049,584.44/x - Step 3: Cross multiply
1,909,030.80x = 2,634,395.16 × 1,049,584.44 - Step 4: Simplify right side
1,909,030.80x = 2,765,020,168,747.31 - Step 5: Solve for x
x = 2,765,020,168,747.31/1,909,030.80 - Step 6: Final answer
x = 1,448,389.50
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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.