Finding the Fourth Proportional to 1,798,974.16, 2,482,344.50 and 1,155,266.28
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Solution
The fourth proportional to 1,798,974.16, 2,482,344.50 and 1,155,266.28 is: 1,594,113.44
Step by Step Solution
- Step 1: Write the proportion equation
1,798,974.16 : 2,482,344.50 = 1,155,266.28 : x - Step 2: Convert to fraction form
1,798,974.16/2,482,344.50 = 1,155,266.28/x - Step 3: Cross multiply
1,798,974.16x = 2,482,344.50 × 1,155,266.28 - Step 4: Simplify right side
1,798,974.16x = 2,867,768,890,417.13 - Step 5: Solve for x
x = 2,867,768,890,417.13/1,798,974.16 - Step 6: Final answer
x = 1,594,113.44
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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.