Finding the Fourth Proportional to 4,216,864.84, 6,325,297.12 and 1,021,991.02
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Solution
The fourth proportional to 4,216,864.84, 6,325,297.12 and 1,021,991.02 is: 1,532,986.50
Step by Step Solution
- Step 1: Write the proportion equation
4,216,864.84 : 6,325,297.12 = 1,021,991.02 : x - Step 2: Convert to fraction form
4,216,864.84/6,325,297.12 = 1,021,991.02/x - Step 3: Cross multiply
4,216,864.84x = 6,325,297.12 × 1,021,991.02 - Step 4: Simplify right side
4,216,864.84x = 6,464,396,855,471.86 - Step 5: Solve for x
x = 6,464,396,855,471.86/4,216,864.84 - Step 6: Final answer
x = 1,532,986.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.