Finding the Fourth Proportional to 2,520,809.70, 3,781,214.55 and 837,913.20
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Solution
The fourth proportional to 2,520,809.70, 3,781,214.55 and 837,913.20 is: 1,256,869.80
Step by Step Solution
- Step 1: Write the proportion equation
2,520,809.70 : 3,781,214.55 = 837,913.20 : x - Step 2: Convert to fraction form
2,520,809.70/3,781,214.55 = 837,913.20/x - Step 3: Cross multiply
2,520,809.70x = 3,781,214.55 × 837,913.20 - Step 4: Simplify right side
2,520,809.70x = 3,168,329,583,477.06 - Step 5: Solve for x
x = 3,168,329,583,477.06/2,520,809.70 - Step 6: Final answer
x = 1,256,869.80
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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.