Finding the Fourth Proportional to 1,986,053.08, 2,740,954.98 and 1,170,519.36
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Solution
The fourth proportional to 1,986,053.08, 2,740,954.98 and 1,170,519.36 is: 1,615,435.61
Step by Step Solution
- Step 1: Write the proportion equation
1,986,053.08 : 2,740,954.98 = 1,170,519.36 : x - Step 2: Convert to fraction form
1,986,053.08/2,740,954.98 = 1,170,519.36/x - Step 3: Cross multiply
1,986,053.08x = 2,740,954.98 × 1,170,519.36 - Step 4: Simplify right side
1,986,053.08x = 3,208,340,868,978.41 - Step 5: Solve for x
x = 3,208,340,868,978.41/1,986,053.08 - Step 6: Final answer
x = 1,615,435.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.