Finding the Fourth Proportional to 1,712,803.98, 2,363,921.16 and 987,509.73
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Solution
The fourth proportional to 1,712,803.98, 2,363,921.16 and 987,509.73 is: 1,362,908.53
Step by Step Solution
- Step 1: Write the proportion equation
1,712,803.98 : 2,363,921.16 = 987,509.73 : x - Step 2: Convert to fraction form
1,712,803.98/2,363,921.16 = 987,509.73/x - Step 3: Cross multiply
1,712,803.98x = 2,363,921.16 × 987,509.73 - Step 4: Simplify right side
1,712,803.98x = 2,334,395,146,452.89 - Step 5: Solve for x
x = 2,334,395,146,452.89/1,712,803.98 - Step 6: Final answer
x = 1,362,908.53
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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.