Finding the Fourth Proportional to 1,668,702.81, 2,302,795.95 and 943,692.87
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Solution
The fourth proportional to 1,668,702.81, 2,302,795.95 and 943,692.87 is: 1,302,288.28
Step by Step Solution
- Step 1: Write the proportion equation
1,668,702.81 : 2,302,795.95 = 943,692.87 : x - Step 2: Convert to fraction form
1,668,702.81/2,302,795.95 = 943,692.87/x - Step 3: Cross multiply
1,668,702.81x = 2,302,795.95 × 943,692.87 - Step 4: Simplify right side
1,668,702.81x = 2,173,132,119,079.88 - Step 5: Solve for x
x = 2,173,132,119,079.88/1,668,702.81 - Step 6: Final answer
x = 1,302,288.28
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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.