Finding the Fourth Proportional to 1,687,965.12, 2,530,090.08 and 833,772.06
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Solution
The fourth proportional to 1,687,965.12, 2,530,090.08 and 833,772.06 is: 1,249,740.53
Step by Step Solution
- Step 1: Write the proportion equation
1,687,965.12 : 2,530,090.08 = 833,772.06 : x - Step 2: Convert to fraction form
1,687,965.12/2,530,090.08 = 833,772.06/x - Step 3: Cross multiply
1,687,965.12x = 2,530,090.08 × 833,772.06 - Step 4: Simplify right side
1,687,965.12x = 2,109,518,417,987.17 - Step 5: Solve for x
x = 2,109,518,417,987.17/1,687,965.12 - Step 6: Final answer
x = 1,249,740.53
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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.