Finding the Fourth Proportional to 2,129,671.34, 2,938,924.18 and 1,162,798.64
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Solution
The fourth proportional to 2,129,671.34, 2,938,924.18 and 1,162,798.64 is: 1,604,649.96
Step by Step Solution
- Step 1: Write the proportion equation
2,129,671.34 : 2,938,924.18 = 1,162,798.64 : x - Step 2: Convert to fraction form
2,129,671.34/2,938,924.18 = 1,162,798.64/x - Step 3: Cross multiply
2,129,671.34x = 2,938,924.18 × 1,162,798.64 - Step 4: Simplify right side
2,129,671.34x = 3,417,377,037,346.96 - Step 5: Solve for x
x = 3,417,377,037,346.96/2,129,671.34 - Step 6: Final answer
x = 1,604,649.96
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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.