Finding the Fourth Proportional to 2,107,177.47, 2,907,904.92 and 1,140,307.68
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Solution
The fourth proportional to 2,107,177.47, 2,907,904.92 and 1,140,307.68 is: 1,573,624.60
Step by Step Solution
- Step 1: Write the proportion equation
2,107,177.47 : 2,907,904.92 = 1,140,307.68 : x - Step 2: Convert to fraction form
2,107,177.47/2,907,904.92 = 1,140,307.68/x - Step 3: Cross multiply
2,107,177.47x = 2,907,904.92 × 1,140,307.68 - Step 4: Simplify right side
2,107,177.47x = 3,315,906,312,985.79 - Step 5: Solve for x
x = 3,315,906,312,985.79/2,107,177.47 - Step 6: Final answer
x = 1,573,624.60
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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.