Finding the Fourth Proportional to 1,931,394.76, 2,665,814.70 and 1,319,795.08
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Solution
The fourth proportional to 1,931,394.76, 2,665,814.70 and 1,319,795.08 is: 1,821,652.00
Step by Step Solution
- Step 1: Write the proportion equation
1,931,394.76 : 2,665,814.70 = 1,319,795.08 : x - Step 2: Convert to fraction form
1,931,394.76/2,665,814.70 = 1,319,795.08/x - Step 3: Cross multiply
1,931,394.76x = 2,665,814.70 × 1,319,795.08 - Step 4: Simplify right side
1,931,394.76x = 3,518,329,125,251.68 - Step 5: Solve for x
x = 3,518,329,125,251.68/1,931,394.76 - Step 6: Final answer
x = 1,821,652.00
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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.