Finding the Fourth Proportional to 4,919,569.70, 6,789,175.02 and 2,854,429.34
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Solution
The fourth proportional to 4,919,569.70, 6,789,175.02 and 2,854,429.34 is: 3,939,210.45
Step by Step Solution
- Step 1: Write the proportion equation
4,919,569.70 : 6,789,175.02 = 2,854,429.34 : x - Step 2: Convert to fraction form
4,919,569.70/6,789,175.02 = 2,854,429.34/x - Step 3: Cross multiply
4,919,569.70x = 6,789,175.02 × 2,854,429.34 - Step 4: Simplify right side
4,919,569.70x = 19,379,220,371,483.09 - Step 5: Solve for x
x = 19,379,220,371,483.09/4,919,569.70 - Step 6: Final answer
x = 3,939,210.45
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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.