Finding the Fourth Proportional to 1,948,237.65, 2,688,650.99 and 1,088,797.88
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Solution
The fourth proportional to 1,948,237.65, 2,688,650.99 and 1,088,797.88 is: 1,502,587.48
Step by Step Solution
- Step 1: Write the proportion equation
1,948,237.65 : 2,688,650.99 = 1,088,797.88 : x - Step 2: Convert to fraction form
1,948,237.65/2,688,650.99 = 1,088,797.88/x - Step 3: Cross multiply
1,948,237.65x = 2,688,650.99 × 1,088,797.88 - Step 4: Simplify right side
1,948,237.65x = 2,927,397,503,332.53 - Step 5: Solve for x
x = 2,927,397,503,332.53/1,948,237.65 - Step 6: Final answer
x = 1,502,587.48
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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.