Finding the Fourth Proportional to 3,178,315.08, 4,767,619.50 and 1,048,585.32
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Solution
The fourth proportional to 3,178,315.08, 4,767,619.50 and 1,048,585.32 is: 1,572,926.44
Step by Step Solution
- Step 1: Write the proportion equation
3,178,315.08 : 4,767,619.50 = 1,048,585.32 : x - Step 2: Convert to fraction form
3,178,315.08/4,767,619.50 = 1,048,585.32/x - Step 3: Cross multiply
3,178,315.08x = 4,767,619.50 × 1,048,585.32 - Step 4: Simplify right side
3,178,315.08x = 4,999,255,819,045.74 - Step 5: Solve for x
x = 4,999,255,819,045.74/3,178,315.08 - Step 6: Final answer
x = 1,572,926.44
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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.