Finding the Fourth Proportional to 2,977,437.34, 4,107,936.63 and 1,688,176.54
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Solution
The fourth proportional to 2,977,437.34, 4,107,936.63 and 1,688,176.54 is: 2,329,158.08
Step by Step Solution
- Step 1: Write the proportion equation
2,977,437.34 : 4,107,936.63 = 1,688,176.54 : x - Step 2: Convert to fraction form
2,977,437.34/4,107,936.63 = 1,688,176.54/x - Step 3: Cross multiply
2,977,437.34x = 4,107,936.63 × 1,688,176.54 - Step 4: Simplify right side
2,977,437.34x = 6,934,922,246,572.66 - Step 5: Solve for x
x = 6,934,922,246,572.66/2,977,437.34 - Step 6: Final answer
x = 2,329,158.08
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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.