Finding the Fourth Proportional to 1,539,416.88, 2,124,303.77 and 851,047.49
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Solution
The fourth proportional to 1,539,416.88, 2,124,303.77 and 851,047.49 is: 1,174,394.94
Step by Step Solution
- Step 1: Write the proportion equation
1,539,416.88 : 2,124,303.77 = 851,047.49 : x - Step 2: Convert to fraction form
1,539,416.88/2,124,303.77 = 851,047.49/x - Step 3: Cross multiply
1,539,416.88x = 2,124,303.77 × 851,047.49 - Step 4: Simplify right side
1,539,416.88x = 1,807,883,398,894.42 - Step 5: Solve for x
x = 1,807,883,398,894.42/1,539,416.88 - Step 6: Final answer
x = 1,174,394.94
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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.