Finding the Fourth Proportional to 1,631,525.16, 2,447,335.98 and 778,686.66
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Solution
The fourth proportional to 1,631,525.16, 2,447,335.98 and 778,686.66 is: 1,168,053.01
Step by Step Solution
- Step 1: Write the proportion equation
1,631,525.16 : 2,447,335.98 = 778,686.66 : x - Step 2: Convert to fraction form
1,631,525.16/2,447,335.98 = 778,686.66/x - Step 3: Cross multiply
1,631,525.16x = 2,447,335.98 × 778,686.66 - Step 4: Simplify right side
1,631,525.16x = 1,905,707,880,164.03 - Step 5: Solve for x
x = 1,905,707,880,164.03/1,631,525.16 - Step 6: Final answer
x = 1,168,053.01
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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.