Finding the Fourth Proportional to 1,513,206.55, 2,088,197.98 and 824,884.35
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Solution
The fourth proportional to 1,513,206.55, 2,088,197.98 and 824,884.35 is: 1,138,325.65
Step by Step Solution
- Step 1: Write the proportion equation
1,513,206.55 : 2,088,197.98 = 824,884.35 : x - Step 2: Convert to fraction form
1,513,206.55/2,088,197.98 = 824,884.35/x - Step 3: Cross multiply
1,513,206.55x = 2,088,197.98 × 824,884.35 - Step 4: Simplify right side
1,513,206.55x = 1,722,521,833,403.61 - Step 5: Solve for x
x = 1,722,521,833,403.61/1,513,206.55 - Step 6: Final answer
x = 1,138,325.65
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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.