Finding the Fourth Proportional to 2,058,720.96, 2,840,994.36 and 1,140,931.08
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Solution
The fourth proportional to 2,058,720.96, 2,840,994.36 and 1,140,931.08 is: 1,574,462.41
Step by Step Solution
- Step 1: Write the proportion equation
2,058,720.96 : 2,840,994.36 = 1,140,931.08 : x - Step 2: Convert to fraction form
2,058,720.96/2,840,994.36 = 1,140,931.08/x - Step 3: Cross multiply
2,058,720.96x = 2,840,994.36 × 1,140,931.08 - Step 4: Simplify right side
2,058,720.96x = 3,241,378,763,428.71 - Step 5: Solve for x
x = 3,241,378,763,428.71/2,058,720.96 - Step 6: Final answer
x = 1,574,462.41
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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.