Finding the Fourth Proportional to 2,676,875.21, 3,692,719.33 and 1,708,988.29
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Solution
The fourth proportional to 2,676,875.21, 3,692,719.33 and 1,708,988.29 is: 2,357,530.18
Step by Step Solution
- Step 1: Write the proportion equation
2,676,875.21 : 3,692,719.33 = 1,708,988.29 : x - Step 2: Convert to fraction form
2,676,875.21/3,692,719.33 = 1,708,988.29/x - Step 3: Cross multiply
2,676,875.21x = 3,692,719.33 × 1,708,988.29 - Step 4: Simplify right side
2,676,875.21x = 6,310,814,079,722.38 - Step 5: Solve for x
x = 6,310,814,079,722.38/2,676,875.21 - Step 6: Final answer
x = 2,357,530.18
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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.