Finding the Fourth Proportional to 1,425,130.83, 1,966,712.36 and 813,271.41
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Solution
The fourth proportional to 1,425,130.83, 1,966,712.36 and 813,271.41 is: 1,122,332.70
Step by Step Solution
- Step 1: Write the proportion equation
1,425,130.83 : 1,966,712.36 = 813,271.41 : x - Step 2: Convert to fraction form
1,425,130.83/1,966,712.36 = 813,271.41/x - Step 3: Cross multiply
1,425,130.83x = 1,966,712.36 × 813,271.41 - Step 4: Simplify right side
1,425,130.83x = 1,599,470,934,081.63 - Step 5: Solve for x
x = 1,599,470,934,081.63/1,425,130.83 - Step 6: Final answer
x = 1,122,332.70
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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.