Finding the Fourth Proportional to 2,167,062.84, 2,990,290.35 and 1,249,593.45
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Solution
The fourth proportional to 2,167,062.84, 2,990,290.35 and 1,249,593.45 is: 1,724,291.13
Step by Step Solution
- Step 1: Write the proportion equation
2,167,062.84 : 2,990,290.35 = 1,249,593.45 : x - Step 2: Convert to fraction form
2,167,062.84/2,990,290.35 = 1,249,593.45/x - Step 3: Cross multiply
2,167,062.84x = 2,990,290.35 × 1,249,593.45 - Step 4: Simplify right side
2,167,062.84x = 3,736,647,234,958.21 - Step 5: Solve for x
x = 3,736,647,234,958.21/2,167,062.84 - Step 6: Final answer
x = 1,724,291.13
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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.