Finding the Fourth Proportional to 3,156,585.68, 4,356,089.51 and 1,706,281.10
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Solution
The fourth proportional to 3,156,585.68, 4,356,089.51 and 1,706,281.10 is: 2,354,668.60
Step by Step Solution
- Step 1: Write the proportion equation
3,156,585.68 : 4,356,089.51 = 1,706,281.10 : x - Step 2: Convert to fraction form
3,156,585.68/4,356,089.51 = 1,706,281.10/x - Step 3: Cross multiply
3,156,585.68x = 4,356,089.51 × 1,706,281.10 - Step 4: Simplify right side
3,156,585.68x = 7,432,713,170,509.41 - Step 5: Solve for x
x = 7,432,713,170,509.41/3,156,585.68 - Step 6: Final answer
x = 2,354,668.60
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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.