Finding the Fourth Proportional to 1,564,202.58, 2,158,645.05 and 885,124.50
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Solution
The fourth proportional to 1,564,202.58, 2,158,645.05 and 885,124.50 is: 1,221,497.55
Step by Step Solution
- Step 1: Write the proportion equation
1,564,202.58 : 2,158,645.05 = 885,124.50 : x - Step 2: Convert to fraction form
1,564,202.58/2,158,645.05 = 885,124.50/x - Step 3: Cross multiply
1,564,202.58x = 2,158,645.05 × 885,124.50 - Step 4: Simplify right side
1,564,202.58x = 1,910,669,620,558.73 - Step 5: Solve for x
x = 1,910,669,620,558.73/1,564,202.58 - Step 6: Final answer
x = 1,221,497.55
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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.