Finding the Fourth Proportional to 3,219,987.74, 4,830,852.76 and 1,090,072.08
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Solution
The fourth proportional to 3,219,987.74, 4,830,852.76 and 1,090,072.08 is: 1,635,403.03
Step by Step Solution
- Step 1: Write the proportion equation
3,219,987.74 : 4,830,852.76 = 1,090,072.08 : x - Step 2: Convert to fraction form
3,219,987.74/4,830,852.76 = 1,090,072.08/x - Step 3: Cross multiply
3,219,987.74x = 4,830,852.76 × 1,090,072.08 - Step 4: Simplify right side
3,219,987.74x = 5,265,977,713,541.76 - Step 5: Solve for x
x = 5,265,977,713,541.76/3,219,987.74 - Step 6: Final answer
x = 1,635,403.03
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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.