Finding the Fourth Proportional to 1,346,890.20, 2,021,319.45 and 948,309.45
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Solution
The fourth proportional to 1,346,890.20, 2,021,319.45 and 948,309.45 is: 1,423,157.09
Step by Step Solution
- Step 1: Write the proportion equation
1,346,890.20 : 2,021,319.45 = 948,309.45 : x - Step 2: Convert to fraction form
1,346,890.20/2,021,319.45 = 948,309.45/x - Step 3: Cross multiply
1,346,890.20x = 2,021,319.45 × 948,309.45 - Step 4: Simplify right side
1,346,890.20x = 1,916,836,335,903.80 - Step 5: Solve for x
x = 1,916,836,335,903.80/1,346,890.20 - Step 6: Final answer
x = 1,423,157.09
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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.