Finding the Fourth Proportional to 1,487,437.06, 2,052,584.45 and 842,864.98
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Solution
The fourth proportional to 1,487,437.06, 2,052,584.45 and 842,864.98 is: 1,163,109.08
Step by Step Solution
- Step 1: Write the proportion equation
1,487,437.06 : 2,052,584.45 = 842,864.98 : x - Step 2: Convert to fraction form
1,487,437.06/2,052,584.45 = 842,864.98/x - Step 3: Cross multiply
1,487,437.06x = 2,052,584.45 × 842,864.98 - Step 4: Simplify right side
1,487,437.06x = 1,730,051,551,397.56 - Step 5: Solve for x
x = 1,730,051,551,397.56/1,487,437.06 - Step 6: Final answer
x = 1,163,109.08
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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.