Finding the Fourth Proportional to 1,781,214.30, 2,671,821.45 and 1,600,811.10
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Solution
The fourth proportional to 1,781,214.30, 2,671,821.45 and 1,600,811.10 is: 2,401,216.65
Step by Step Solution
- Step 1: Write the proportion equation
1,781,214.30 : 2,671,821.45 = 1,600,811.10 : x - Step 2: Convert to fraction form
1,781,214.30/2,671,821.45 = 1,600,811.10/x - Step 3: Cross multiply
1,781,214.30x = 2,671,821.45 × 1,600,811.10 - Step 4: Simplify right side
1,781,214.30x = 4,277,081,434,378.10 - Step 5: Solve for x
x = 4,277,081,434,378.10/1,781,214.30 - Step 6: Final answer
x = 2,401,216.65
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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.