Finding the Fourth Proportional to 1,585,257.06, 2,187,590.96 and 860,077.02
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Solution
The fourth proportional to 1,585,257.06, 2,187,590.96 and 860,077.02 is: 1,186,871.68
Step by Step Solution
- Step 1: Write the proportion equation
1,585,257.06 : 2,187,590.96 = 860,077.02 : x - Step 2: Convert to fraction form
1,585,257.06/2,187,590.96 = 860,077.02/x - Step 3: Cross multiply
1,585,257.06x = 2,187,590.96 × 860,077.02 - Step 4: Simplify right side
1,585,257.06x = 1,881,496,713,855.74 - Step 5: Solve for x
x = 1,881,496,713,855.74/1,585,257.06 - Step 6: Final answer
x = 1,186,871.68
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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.