Finding the Fourth Proportional to 2,630,966.63, 3,630,733.94 and 1,423,742.63
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Solution
The fourth proportional to 2,630,966.63, 3,630,733.94 and 1,423,742.63 is: 1,964,764.82
Step by Step Solution
- Step 1: Write the proportion equation
2,630,966.63 : 3,630,733.94 = 1,423,742.63 : x - Step 2: Convert to fraction form
2,630,966.63/3,630,733.94 = 1,423,742.63/x - Step 3: Cross multiply
2,630,966.63x = 3,630,733.94 × 1,423,742.63 - Step 4: Simplify right side
2,630,966.63x = 5,169,230,673,971.55 - Step 5: Solve for x
x = 5,169,230,673,971.55/2,630,966.63 - Step 6: Final answer
x = 1,964,764.82
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1.5x scale
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.