Finding the Fourth Proportional to 2,038,888.10, 2,813,737.74 and 1,121,186.81
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Solution
The fourth proportional to 2,038,888.10, 2,813,737.74 and 1,121,186.81 is: 1,547,277.48
Step by Step Solution
- Step 1: Write the proportion equation
2,038,888.10 : 2,813,737.74 = 1,121,186.81 : x - Step 2: Convert to fraction form
2,038,888.10/2,813,737.74 = 1,121,186.81/x - Step 3: Cross multiply
2,038,888.10x = 2,813,737.74 × 1,121,186.81 - Step 4: Simplify right side
2,038,888.10x = 3,154,725,640,887.21 - Step 5: Solve for x
x = 3,154,725,640,887.21/2,038,888.10 - Step 6: Final answer
x = 1,547,277.48
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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.