Finding the Fourth Proportional to 6,340,041.09, 8,749,252.25 and 3,439,432.51
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Solution
The fourth proportional to 6,340,041.09, 8,749,252.25 and 3,439,432.51 is: 4,746,414.45
Step by Step Solution
- Step 1: Write the proportion equation
6,340,041.09 : 8,749,252.25 = 3,439,432.51 : x - Step 2: Convert to fraction form
6,340,041.09/8,749,252.25 = 3,439,432.51/x - Step 3: Cross multiply
6,340,041.09x = 8,749,252.25 × 3,439,432.51 - Step 4: Simplify right side
6,340,041.09x = 30,092,462,626,840.64 - Step 5: Solve for x
x = 30,092,462,626,840.64/6,340,041.09 - Step 6: Final answer
x = 4,746,414.45
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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.