Finding the Fourth Proportional to 5,376,598.20, 8,064,897.30 and 3,864,943.80
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Solution
The fourth proportional to 5,376,598.20, 8,064,897.30 and 3,864,943.80 is: 5,797,415.70
Step by Step Solution
- Step 1: Write the proportion equation
5,376,598.20 : 8,064,897.30 = 3,864,943.80 : x - Step 2: Convert to fraction form
5,376,598.20/8,064,897.30 = 3,864,943.80/x - Step 3: Cross multiply
5,376,598.20x = 8,064,897.30 × 3,864,943.80 - Step 4: Simplify right side
5,376,598.20x = 31,170,374,817,271.74 - Step 5: Solve for x
x = 31,170,374,817,271.74/5,376,598.20 - Step 6: Final answer
x = 5,797,415.70
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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.