Finding the Fourth Proportional to 1,475,108.70, 2,212,371.45 and 716,948.70
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Solution
The fourth proportional to 1,475,108.70, 2,212,371.45 and 716,948.70 is: 1,075,281.32
Step by Step Solution
- Step 1: Write the proportion equation
1,475,108.70 : 2,212,371.45 = 716,948.70 : x - Step 2: Convert to fraction form
1,475,108.70/2,212,371.45 = 716,948.70/x - Step 3: Cross multiply
1,475,108.70x = 2,212,371.45 × 716,948.70 - Step 4: Simplify right side
1,475,108.70x = 1,586,156,834,994.62 - Step 5: Solve for x
x = 1,586,156,834,994.62/1,475,108.70 - Step 6: Final answer
x = 1,075,281.32
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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.