Finding the Fourth Proportional to 1,603,384.68, 2,211,607.54 and 1,031,148.84
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Solution
The fourth proportional to 1,603,384.68, 2,211,607.54 and 1,031,148.84 is: 1,422,301.57
Step by Step Solution
- Step 1: Write the proportion equation
1,603,384.68 : 2,211,607.54 = 1,031,148.84 : x - Step 2: Convert to fraction form
1,603,384.68/2,211,607.54 = 1,031,148.84/x - Step 3: Cross multiply
1,603,384.68x = 2,211,607.54 × 1,031,148.84 - Step 4: Simplify right side
1,603,384.68x = 2,280,496,549,406.25 - Step 5: Solve for x
x = 2,280,496,549,406.25/1,603,384.68 - Step 6: Final answer
x = 1,422,301.57
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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.