Finding the Fourth Proportional to 1,679,188.12, 2,518,040.58 and 480,838.12
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Solution
The fourth proportional to 1,679,188.12, 2,518,040.58 and 480,838.12 is: 721,044.82
Step by Step Solution
- Step 1: Write the proportion equation
1,679,188.12 : 2,518,040.58 = 480,838.12 : x - Step 2: Convert to fraction form
1,679,188.12/2,518,040.58 = 480,838.12/x - Step 3: Cross multiply
1,679,188.12x = 2,518,040.58 × 480,838.12 - Step 4: Simplify right side
1,679,188.12x = 1,210,769,898,570.91 - Step 5: Solve for x
x = 1,210,769,898,570.91/1,679,188.12 - Step 6: Final answer
x = 721,044.82
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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.