Finding the Fourth Proportional to 2,853,623.13, 3,937,998.98 and 1,564,435.84
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Solution
The fourth proportional to 2,853,623.13, 3,937,998.98 and 1,564,435.84 is: 2,158,920.94
Step by Step Solution
- Step 1: Write the proportion equation
2,853,623.13 : 3,937,998.98 = 1,564,435.84 : x - Step 2: Convert to fraction form
2,853,623.13/3,937,998.98 = 1,564,435.84/x - Step 3: Cross multiply
2,853,623.13x = 3,937,998.98 × 1,564,435.84 - Step 4: Simplify right side
2,853,623.13x = 6,160,746,742,229.08 - Step 5: Solve for x
x = 6,160,746,742,229.08/2,853,623.13 - Step 6: Final answer
x = 2,158,920.94
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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.