Finding the Fourth Proportional to 1,668,630.06, 2,302,758.05 and 943,462.20
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Solution
The fourth proportional to 1,668,630.06, 2,302,758.05 and 943,462.20 is: 1,302,005.30
Step by Step Solution
- Step 1: Write the proportion equation
1,668,630.06 : 2,302,758.05 = 943,462.20 : x - Step 2: Convert to fraction form
1,668,630.06/2,302,758.05 = 943,462.20/x - Step 3: Cross multiply
1,668,630.06x = 2,302,758.05 × 943,462.20 - Step 4: Simplify right side
1,668,630.06x = 2,172,565,175,920.71 - Step 5: Solve for x
x = 2,172,565,175,920.71/1,668,630.06 - Step 6: Final answer
x = 1,302,005.30
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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.