Finding the Fourth Proportional to 4,948,727.12, 7,421,269.98 and 1,709,440.51
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Solution
The fourth proportional to 4,948,727.12, 7,421,269.98 and 1,709,440.51 is: 2,563,531.83
Step by Step Solution
- Step 1: Write the proportion equation
4,948,727.12 : 7,421,269.98 = 1,709,440.51 : x - Step 2: Convert to fraction form
4,948,727.12/7,421,269.98 = 1,709,440.51/x - Step 3: Cross multiply
4,948,727.12x = 7,421,269.98 × 1,709,440.51 - Step 4: Simplify right side
4,948,727.12x = 12,686,219,502,352.54 - Step 5: Solve for x
x = 12,686,219,502,352.54/4,948,727.12 - Step 6: Final answer
x = 2,563,531.83
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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.