Finding the Fourth Proportional to 1,417,937.07, 2,121,909.53 and 885,708.75
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Solution
The fourth proportional to 1,417,937.07, 2,121,909.53 and 885,708.75 is: 1,325,442.34
Step by Step Solution
- Step 1: Write the proportion equation
1,417,937.07 : 2,121,909.53 = 885,708.75 : x - Step 2: Convert to fraction form
1,417,937.07/2,121,909.53 = 885,708.75/x - Step 3: Cross multiply
1,417,937.07x = 2,121,909.53 × 885,708.75 - Step 4: Simplify right side
1,417,937.07x = 1,879,393,833,000.84 - Step 5: Solve for x
x = 1,879,393,833,000.84/1,417,937.07 - Step 6: Final answer
x = 1,325,442.34
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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.