Finding the Fourth Proportional to 1,868,414.13, 2,803,506.93 and 1,111,750.38
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Solution
The fourth proportional to 1,868,414.13, 2,803,506.93 and 1,111,750.38 is: 1,668,152.60
Step by Step Solution
- Step 1: Write the proportion equation
1,868,414.13 : 2,803,506.93 = 1,111,750.38 : x - Step 2: Convert to fraction form
1,868,414.13/2,803,506.93 = 1,111,750.38/x - Step 3: Cross multiply
1,868,414.13x = 2,803,506.93 × 1,111,750.38 - Step 4: Simplify right side
1,868,414.13x = 3,116,799,894,760.13 - Step 5: Solve for x
x = 3,116,799,894,760.13/1,868,414.13 - Step 6: Final answer
x = 1,668,152.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.