Finding the Fourth Proportional to 2,402,907.84, 3,315,877.76 and 1,315,177.12
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Solution
The fourth proportional to 2,402,907.84, 3,315,877.76 and 1,315,177.12 is: 1,814,870.50
Step by Step Solution
- Step 1: Write the proportion equation
2,402,907.84 : 3,315,877.76 = 1,315,177.12 : x - Step 2: Convert to fraction form
2,402,907.84/3,315,877.76 = 1,315,177.12/x - Step 3: Cross multiply
2,402,907.84x = 3,315,877.76 × 1,315,177.12 - Step 4: Simplify right side
2,402,907.84x = 4,360,966,562,668.85 - Step 5: Solve for x
x = 4,360,966,562,668.85/2,402,907.84 - Step 6: Final answer
x = 1,814,870.50
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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.