Finding the Fourth Proportional to 4,390,319.20, 6,059,581.68 and 2,671,993.12
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Solution
The fourth proportional to 4,390,319.20, 6,059,581.68 and 2,671,993.12 is: 3,687,923.32
Step by Step Solution
- Step 1: Write the proportion equation
4,390,319.20 : 6,059,581.68 = 2,671,993.12 : x - Step 2: Convert to fraction form
4,390,319.20/6,059,581.68 = 2,671,993.12/x - Step 3: Cross multiply
4,390,319.20x = 6,059,581.68 × 2,671,993.12 - Step 4: Simplify right side
4,390,319.20x = 16,191,160,559,038.04 - Step 5: Solve for x
x = 16,191,160,559,038.04/4,390,319.20 - Step 6: Final answer
x = 3,687,923.32
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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.