Finding the Fourth Proportional to 2,988,387.76, 4,124,040.60 and 1,630,259.68
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Solution
The fourth proportional to 2,988,387.76, 4,124,040.60 and 1,630,259.68 is: 2,249,794.09
Step by Step Solution
- Step 1: Write the proportion equation
2,988,387.76 : 4,124,040.60 = 1,630,259.68 : x - Step 2: Convert to fraction form
2,988,387.76/4,124,040.60 = 1,630,259.68/x - Step 3: Cross multiply
2,988,387.76x = 4,124,040.60 × 1,630,259.68 - Step 4: Simplify right side
2,988,387.76x = 6,723,257,108,863.01 - Step 5: Solve for x
x = 6,723,257,108,863.01/2,988,387.76 - Step 6: Final answer
x = 2,249,794.09
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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.