Finding the Fourth Proportional to 2,860,330.12, 4,290,428.94 and 1,440,004.84
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Solution
The fourth proportional to 2,860,330.12, 4,290,428.94 and 1,440,004.84 is: 2,159,973.91
Step by Step Solution
- Step 1: Write the proportion equation
2,860,330.12 : 4,290,428.94 = 1,440,004.84 : x - Step 2: Convert to fraction form
2,860,330.12/4,290,428.94 = 1,440,004.84/x - Step 3: Cross multiply
2,860,330.12x = 4,290,428.94 × 1,440,004.84 - Step 4: Simplify right side
2,860,330.12x = 6,178,238,439,276.07 - Step 5: Solve for x
x = 6,178,238,439,276.07/2,860,330.12 - Step 6: Final answer
x = 2,159,973.91
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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.