Finding the Fourth Proportional to 1,623,464.19, 2,240,228.00 and 1,099,108.17
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Solution
The fourth proportional to 1,623,464.19, 2,240,228.00 and 1,099,108.17 is: 1,516,665.98
Step by Step Solution
- Step 1: Write the proportion equation
1,623,464.19 : 2,240,228.00 = 1,099,108.17 : x - Step 2: Convert to fraction form
1,623,464.19/2,240,228.00 = 1,099,108.17/x - Step 3: Cross multiply
1,623,464.19x = 2,240,228.00 × 1,099,108.17 - Step 4: Simplify right side
1,623,464.19x = 2,462,252,900,210.53 - Step 5: Solve for x
x = 2,462,252,900,210.53/1,623,464.19 - Step 6: Final answer
x = 1,516,665.98
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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.