Finding the Fourth Proportional to 2,688,455.20, 3,710,034.08 and 1,464,811.68
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Solution
The fourth proportional to 2,688,455.20, 3,710,034.08 and 1,464,811.68 is: 2,021,421.54
Step by Step Solution
- Step 1: Write the proportion equation
2,688,455.20 : 3,710,034.08 = 1,464,811.68 : x - Step 2: Convert to fraction form
2,688,455.20/3,710,034.08 = 1,464,811.68/x - Step 3: Cross multiply
2,688,455.20x = 3,710,034.08 × 1,464,811.68 - Step 4: Simplify right side
2,688,455.20x = 5,434,501,253,582.06 - Step 5: Solve for x
x = 5,434,501,253,582.06/2,688,455.20 - Step 6: Final answer
x = 2,021,421.54
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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.