Finding the Fourth Proportional to 1,357,887.20, 1,873,104.84 and 847,703.84
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Solution
The fourth proportional to 1,357,887.20, 1,873,104.84 and 847,703.84 is: 1,169,344.68
Step by Step Solution
- Step 1: Write the proportion equation
1,357,887.20 : 1,873,104.84 = 847,703.84 : x - Step 2: Convert to fraction form
1,357,887.20/1,873,104.84 = 847,703.84/x - Step 3: Cross multiply
1,357,887.20x = 1,873,104.84 × 847,703.84 - Step 4: Simplify right side
1,357,887.20x = 1,587,838,167,640.98 - Step 5: Solve for x
x = 1,587,838,167,640.98/1,357,887.20 - Step 6: Final answer
x = 1,169,344.68
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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.