Finding the Fourth Proportional to 4,714,866.18, 6,507,298.08 and 2,781,601.92
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Solution
The fourth proportional to 4,714,866.18, 6,507,298.08 and 2,781,601.92 is: 3,839,072.44
Step by Step Solution
- Step 1: Write the proportion equation
4,714,866.18 : 6,507,298.08 = 2,781,601.92 : x - Step 2: Convert to fraction form
4,714,866.18/6,507,298.08 = 2,781,601.92/x - Step 3: Cross multiply
4,714,866.18x = 6,507,298.08 × 2,781,601.92 - Step 4: Simplify right side
4,714,866.18x = 18,100,712,833,340.31 - Step 5: Solve for x
x = 18,100,712,833,340.31/4,714,866.18 - Step 6: Final answer
x = 3,839,072.44
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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.