Finding the Fourth Proportional to 4,277,307.33, 6,415,905.17 and 1,038,871.54
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Solution
The fourth proportional to 4,277,307.33, 6,415,905.17 and 1,038,871.54 is: 1,558,293.75
Step by Step Solution
- Step 1: Write the proportion equation
4,277,307.33 : 6,415,905.17 = 1,038,871.54 : x - Step 2: Convert to fraction form
4,277,307.33/6,415,905.17 = 1,038,871.54/x - Step 3: Cross multiply
4,277,307.33x = 6,415,905.17 × 1,038,871.54 - Step 4: Simplify right side
4,277,307.33x = 6,665,301,271,009.28 - Step 5: Solve for x
x = 6,665,301,271,009.28/4,277,307.33 - Step 6: Final answer
x = 1,558,293.75
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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.