Finding the Fourth Proportional to 1,657,174.60, 2,484,012.30 and 645,905.80
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Solution
The fourth proportional to 1,657,174.60, 2,484,012.30 and 645,905.80 is: 968,176.77
Step by Step Solution
- Step 1: Write the proportion equation
1,657,174.60 : 2,484,012.30 = 645,905.80 : x - Step 2: Convert to fraction form
1,657,174.60/2,484,012.30 = 645,905.80/x - Step 3: Cross multiply
1,657,174.60x = 2,484,012.30 × 645,905.80 - Step 4: Simplify right side
1,657,174.60x = 1,604,437,951,841.34 - Step 5: Solve for x
x = 1,604,437,951,841.34/1,657,174.60 - Step 6: Final answer
x = 968,176.77
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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.