Finding the Fourth Proportional to 2,988,572.88, 4,124,216.70 and 1,630,445.88
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Solution
The fourth proportional to 2,988,572.88, 4,124,216.70 and 1,630,445.88 is: 2,250,007.75
Step by Step Solution
- Step 1: Write the proportion equation
2,988,572.88 : 4,124,216.70 = 1,630,445.88 : x - Step 2: Convert to fraction form
2,988,572.88/4,124,216.70 = 1,630,445.88/x - Step 3: Cross multiply
2,988,572.88x = 4,124,216.70 × 1,630,445.88 - Step 4: Simplify right side
2,988,572.88x = 6,724,312,126,742.20 - Step 5: Solve for x
x = 6,724,312,126,742.20/2,988,572.88 - Step 6: Final answer
x = 2,250,007.75
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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.