Finding the Fourth Proportional to 2,642,708.88, 3,963,913.56 and 723,479.69
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Solution
The fourth proportional to 2,642,708.88, 3,963,913.56 and 723,479.69 is: 1,085,178.53
Step by Step Solution
- Step 1: Write the proportion equation
2,642,708.88 : 3,963,913.56 = 723,479.69 : x - Step 2: Convert to fraction form
2,642,708.88/3,963,913.56 = 723,479.69/x - Step 3: Cross multiply
2,642,708.88x = 3,963,913.56 × 723,479.69 - Step 4: Simplify right side
2,642,708.88x = 2,867,810,933,756.03 - Step 5: Solve for x
x = 2,867,810,933,756.03/2,642,708.88 - Step 6: Final answer
x = 1,085,178.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.