Finding the Fourth Proportional to 1,475,565.40, 2,214,384.90 and 944,378.20
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Solution
The fourth proportional to 1,475,565.40, 2,214,384.90 and 944,378.20 is: 1,417,230.86
Step by Step Solution
- Step 1: Write the proportion equation
1,475,565.40 : 2,214,384.90 = 944,378.20 : x - Step 2: Convert to fraction form
1,475,565.40/2,214,384.90 = 944,378.20/x - Step 3: Cross multiply
1,475,565.40x = 2,214,384.90 × 944,378.20 - Step 4: Simplify right side
1,475,565.40x = 2,091,216,825,969.18 - Step 5: Solve for x
x = 2,091,216,825,969.18/1,475,565.40 - Step 6: Final answer
x = 1,417,230.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.