Finding the Fourth Proportional to 1,513,209.55, 2,088,202.12 and 824,887.35
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Solution
The fourth proportional to 1,513,209.55, 2,088,202.12 and 824,887.35 is: 1,138,329.79
Step by Step Solution
- Step 1: Write the proportion equation
1,513,209.55 : 2,088,202.12 = 824,887.35 : x - Step 2: Convert to fraction form
1,513,209.55/2,088,202.12 = 824,887.35/x - Step 3: Cross multiply
1,513,209.55x = 2,088,202.12 × 824,887.35 - Step 4: Simplify right side
1,513,209.55x = 1,722,531,513,031.18 - Step 5: Solve for x
x = 1,722,531,513,031.18/1,513,209.55 - Step 6: Final answer
x = 1,138,329.79
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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.