Finding the Fourth Proportional to 1,720,423.08, 2,581,159.50 and 879,565.32
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Solution
The fourth proportional to 1,720,423.08, 2,581,159.50 and 879,565.32 is: 1,319,616.32
Step by Step Solution
- Step 1: Write the proportion equation
1,720,423.08 : 2,581,159.50 = 879,565.32 : x - Step 2: Convert to fraction form
1,720,423.08/2,581,159.50 = 879,565.32/x - Step 3: Cross multiply
1,720,423.08x = 2,581,159.50 × 879,565.32 - Step 4: Simplify right side
1,720,423.08x = 2,270,298,381,588.54 - Step 5: Solve for x
x = 2,270,298,381,588.54/1,720,423.08 - Step 6: Final answer
x = 1,319,616.32
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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.