Finding the Fourth Proportional to 1,408,832.10, 2,113,248.15 and 933,977.70
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Solution
The fourth proportional to 1,408,832.10, 2,113,248.15 and 933,977.70 is: 1,400,966.55
Step by Step Solution
- Step 1: Write the proportion equation
1,408,832.10 : 2,113,248.15 = 933,977.70 : x - Step 2: Convert to fraction form
1,408,832.10/2,113,248.15 = 933,977.70/x - Step 3: Cross multiply
1,408,832.10x = 2,113,248.15 × 933,977.70 - Step 4: Simplify right side
1,408,832.10x = 1,973,726,646,666.26 - Step 5: Solve for x
x = 1,973,726,646,666.26/1,408,832.10 - Step 6: Final answer
x = 1,400,966.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.