Finding the Fourth Proportional to 5,281,988.34, 7,920,008.19 and 1,686,910.26
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Solution
The fourth proportional to 5,281,988.34, 7,920,008.19 and 1,686,910.26 is: 2,529,415.48
Step by Step Solution
- Step 1: Write the proportion equation
5,281,988.34 : 7,920,008.19 = 1,686,910.26 : x - Step 2: Convert to fraction form
5,281,988.34/7,920,008.19 = 1,686,910.26/x - Step 3: Cross multiply
5,281,988.34x = 7,920,008.19 × 1,686,910.26 - Step 4: Simplify right side
5,281,988.34x = 13,360,343,074,995.03 - Step 5: Solve for x
x = 13,360,343,074,995.03/5,281,988.34 - Step 6: Final answer
x = 2,529,415.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.