Finding the Fourth Proportional to 2,919,739.24, 4,029,226.84 and 1,612,991.65
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Solution
The fourth proportional to 2,919,739.24, 4,029,226.84 and 1,612,991.65 is: 2,225,921.12
Step by Step Solution
- Step 1: Write the proportion equation
2,919,739.24 : 4,029,226.84 = 1,612,991.65 : x - Step 2: Convert to fraction form
2,919,739.24/4,029,226.84 = 1,612,991.65/x - Step 3: Cross multiply
2,919,739.24x = 4,029,226.84 × 1,612,991.65 - Step 4: Simplify right side
2,919,739.24x = 6,499,109,248,875.89 - Step 5: Solve for x
x = 6,499,109,248,875.89/2,919,739.24 - Step 6: Final answer
x = 2,225,921.12
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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.