Finding the Fourth Proportional to 1,513,320.12, 2,270,312.28 and 448,445.52
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Solution
The fourth proportional to 1,513,320.12, 2,270,312.28 and 448,445.52 is: 672,766.69
Step by Step Solution
- Step 1: Write the proportion equation
1,513,320.12 : 2,270,312.28 = 448,445.52 : x - Step 2: Convert to fraction form
1,513,320.12/2,270,312.28 = 448,445.52/x - Step 3: Cross multiply
1,513,320.12x = 2,270,312.28 × 448,445.52 - Step 4: Simplify right side
1,513,320.12x = 1,018,111,370,966.99 - Step 5: Solve for x
x = 1,018,111,370,966.99/1,513,320.12 - Step 6: Final answer
x = 672,766.69
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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.