Finding the Fourth Proportional to 1,768,652.32, 2,440,047.36 and 1,088,407.84
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Solution
The fourth proportional to 1,768,652.32, 2,440,047.36 and 1,088,407.84 is: 1,501,576.45
Step by Step Solution
- Step 1: Write the proportion equation
1,768,652.32 : 2,440,047.36 = 1,088,407.84 : x - Step 2: Convert to fraction form
1,768,652.32/2,440,047.36 = 1,088,407.84/x - Step 3: Cross multiply
1,768,652.32x = 2,440,047.36 × 1,088,407.84 - Step 4: Simplify right side
1,768,652.32x = 2,655,766,676,595.30 - Step 5: Solve for x
x = 2,655,766,676,595.30/1,768,652.32 - Step 6: Final answer
x = 1,501,576.45
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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.