Finding the Fourth Proportional to 1,708,386.78, 2,357,622.96 and 944,489.55
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Solution
The fourth proportional to 1,708,386.78, 2,357,622.96 and 944,489.55 is: 1,303,422.78
Step by Step Solution
- Step 1: Write the proportion equation
1,708,386.78 : 2,357,622.96 = 944,489.55 : x - Step 2: Convert to fraction form
1,708,386.78/2,357,622.96 = 944,489.55/x - Step 3: Cross multiply
1,708,386.78x = 2,357,622.96 × 944,489.55 - Step 4: Simplify right side
1,708,386.78x = 2,226,750,232,049.51 - Step 5: Solve for x
x = 2,226,750,232,049.51/1,708,386.78 - Step 6: Final answer
x = 1,303,422.78
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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.