Finding the Fourth Proportional to 3,014,072.48, 4,159,423.68 and 1,637,417.12
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Solution
The fourth proportional to 3,014,072.48, 4,159,423.68 and 1,637,417.12 is: 2,259,637.61
Step by Step Solution
- Step 1: Write the proportion equation
3,014,072.48 : 4,159,423.68 = 1,637,417.12 : x - Step 2: Convert to fraction form
3,014,072.48/4,159,423.68 = 1,637,417.12/x - Step 3: Cross multiply
3,014,072.48x = 4,159,423.68 × 1,637,417.12 - Step 4: Simplify right side
3,014,072.48x = 6,810,711,542,965.40 - Step 5: Solve for x
x = 6,810,711,542,965.40/3,014,072.48 - Step 6: Final answer
x = 2,259,637.61
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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.