Finding the Fourth Proportional to 2,939,356.16, 4,056,545.80 and 1,650,281.12
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Solution
The fourth proportional to 2,939,356.16, 4,056,545.80 and 1,650,281.12 is: 2,277,519.49
Step by Step Solution
- Step 1: Write the proportion equation
2,939,356.16 : 4,056,545.80 = 1,650,281.12 : x - Step 2: Convert to fraction form
2,939,356.16/4,056,545.80 = 1,650,281.12/x - Step 3: Cross multiply
2,939,356.16x = 4,056,545.80 × 1,650,281.12 - Step 4: Simplify right side
2,939,356.16x = 6,694,440,946,155.30 - Step 5: Solve for x
x = 6,694,440,946,155.30/2,939,356.16 - Step 6: Final answer
x = 2,277,519.49
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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.