Finding the Fourth Proportional to 1,918,271.68, 2,647,200.32 and 1,058,831.84
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Solution
The fourth proportional to 1,918,271.68, 2,647,200.32 and 1,058,831.84 is: 1,461,179.88
Step by Step Solution
- Step 1: Write the proportion equation
1,918,271.68 : 2,647,200.32 = 1,058,831.84 : x - Step 2: Convert to fraction form
1,918,271.68/2,647,200.32 = 1,058,831.84/x - Step 3: Cross multiply
1,918,271.68x = 2,647,200.32 × 1,058,831.84 - Step 4: Simplify right side
1,918,271.68x = 2,802,939,985,674.19 - Step 5: Solve for x
x = 2,802,939,985,674.19/1,918,271.68 - Step 6: Final answer
x = 1,461,179.88
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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.