Finding the Fourth Proportional to 1,887,725.84, 2,604,977.62 and 1,102,864.50
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Solution
The fourth proportional to 1,887,725.84, 2,604,977.62 and 1,102,864.50 is: 1,521,903.92
Step by Step Solution
- Step 1: Write the proportion equation
1,887,725.84 : 2,604,977.62 = 1,102,864.50 : x - Step 2: Convert to fraction form
1,887,725.84/2,604,977.62 = 1,102,864.50/x - Step 3: Cross multiply
1,887,725.84x = 2,604,977.62 × 1,102,864.50 - Step 4: Simplify right side
1,887,725.84x = 2,872,937,340,392.49 - Step 5: Solve for x
x = 2,872,937,340,392.49/1,887,725.84 - Step 6: Final answer
x = 1,521,903.92
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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.