Finding the Fourth Proportional to 1,806,776.84, 2,493,355.63 and 990,987.22
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Solution
The fourth proportional to 1,806,776.84, 2,493,355.63 and 990,987.22 is: 1,367,564.34
Step by Step Solution
- Step 1: Write the proportion equation
1,806,776.84 : 2,493,355.63 = 990,987.22 : x - Step 2: Convert to fraction form
1,806,776.84/2,493,355.63 = 990,987.22/x - Step 3: Cross multiply
1,806,776.84x = 2,493,355.63 × 990,987.22 - Step 4: Simplify right side
1,806,776.84x = 2,470,883,571,642.28 - Step 5: Solve for x
x = 2,470,883,571,642.28/1,806,776.84 - Step 6: Final answer
x = 1,367,564.34
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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.