Finding the Fourth Proportional to 1,802,795.16, 2,487,886.74 and 986,985.18
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Solution
The fourth proportional to 1,802,795.16, 2,487,886.74 and 986,985.18 is: 1,362,055.65
Step by Step Solution
- Step 1: Write the proportion equation
1,802,795.16 : 2,487,886.74 = 986,985.18 : x - Step 2: Convert to fraction form
1,802,795.16/2,487,886.74 = 986,985.18/x - Step 3: Cross multiply
1,802,795.16x = 2,487,886.74 × 986,985.18 - Step 4: Simplify right side
1,802,795.16x = 2,455,507,341,898.51 - Step 5: Solve for x
x = 2,455,507,341,898.51/1,802,795.16 - Step 6: Final answer
x = 1,362,055.65
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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.