Finding the Fourth Proportional to 1,532,805.22, 2,115,271.80 and 888,598.90
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Solution
The fourth proportional to 1,532,805.22, 2,115,271.80 and 888,598.90 is: 1,226,266.83
Step by Step Solution
- Step 1: Write the proportion equation
1,532,805.22 : 2,115,271.80 = 888,598.90 : x - Step 2: Convert to fraction form
1,532,805.22/2,115,271.80 = 888,598.90/x - Step 3: Cross multiply
1,532,805.22x = 2,115,271.80 × 888,598.90 - Step 4: Simplify right side
1,532,805.22x = 1,879,628,194,681.02 - Step 5: Solve for x
x = 1,879,628,194,681.02/1,532,805.22 - Step 6: Final answer
x = 1,226,266.83
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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.