Finding the Fourth Proportional to 1,580,427.99, 2,180,990.48 and 855,275.69
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Solution
The fourth proportional to 1,580,427.99, 2,180,990.48 and 855,275.69 is: 1,180,280.37
Step by Step Solution
- Step 1: Write the proportion equation
1,580,427.99 : 2,180,990.48 = 855,275.69 : x - Step 2: Convert to fraction form
1,580,427.99/2,180,990.48 = 855,275.69/x - Step 3: Cross multiply
1,580,427.99x = 2,180,990.48 × 855,275.69 - Step 4: Simplify right side
1,580,427.99x = 1,865,348,138,841.53 - Step 5: Solve for x
x = 1,865,348,138,841.53/1,580,427.99 - Step 6: Final answer
x = 1,180,280.37
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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.