Finding the Fourth Proportional to 1,376,811.73, 1,900,272.18 and 879,777.91
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Solution
The fourth proportional to 1,376,811.73, 1,900,272.18 and 879,777.91 is: 1,214,267.32
Step by Step Solution
- Step 1: Write the proportion equation
1,376,811.73 : 1,900,272.18 = 879,777.91 : x - Step 2: Convert to fraction form
1,376,811.73/1,900,272.18 = 879,777.91/x - Step 3: Cross multiply
1,376,811.73x = 1,900,272.18 × 879,777.91 - Step 4: Simplify right side
1,376,811.73x = 1,671,817,486,951.54 - Step 5: Solve for x
x = 1,671,817,486,951.54/1,376,811.73 - Step 6: Final answer
x = 1,214,267.32
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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.