Finding the Fourth Proportional to 2,224,107.12, 3,069,271.08 and 1,205,511.60
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Solution
The fourth proportional to 2,224,107.12, 3,069,271.08 and 1,205,511.60 is: 1,663,607.77
Step by Step Solution
- Step 1: Write the proportion equation
2,224,107.12 : 3,069,271.08 = 1,205,511.60 : x - Step 2: Convert to fraction form
2,224,107.12/3,069,271.08 = 1,205,511.60/x - Step 3: Cross multiply
2,224,107.12x = 3,069,271.08 × 1,205,511.60 - Step 4: Simplify right side
2,224,107.12x = 3,700,041,890,484.53 - Step 5: Solve for x
x = 3,700,041,890,484.53/2,224,107.12 - Step 6: Final answer
x = 1,663,607.77
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1.5x scale
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.