Finding the Fourth Proportional to 1,842,619.50, 2,541,461.40 and 1,221,301.08
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Solution
The fourth proportional to 1,842,619.50, 2,541,461.40 and 1,221,301.08 is: 1,684,498.37
Step by Step Solution
- Step 1: Write the proportion equation
1,842,619.50 : 2,541,461.40 = 1,221,301.08 : x - Step 2: Convert to fraction form
1,842,619.50/2,541,461.40 = 1,221,301.08/x - Step 3: Cross multiply
1,842,619.50x = 2,541,461.40 × 1,221,301.08 - Step 4: Simplify right side
1,842,619.50x = 3,103,889,552,598.31 - Step 5: Solve for x
x = 3,103,889,552,598.31/1,842,619.50 - Step 6: Final answer
x = 1,684,498.37
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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.