Finding the Fourth Proportional to 5,228,038.18, 7,830,700.95 and 2,526,698.12
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Solution
The fourth proportional to 5,228,038.18, 7,830,700.95 and 2,526,698.12 is: 3,784,558.70
Step by Step Solution
- Step 1: Write the proportion equation
5,228,038.18 : 7,830,700.95 = 2,526,698.12 : x - Step 2: Convert to fraction form
5,228,038.18/7,830,700.95 = 2,526,698.12/x - Step 3: Cross multiply
5,228,038.18x = 7,830,700.95 × 2,526,698.12 - Step 4: Simplify right side
5,228,038.18x = 19,785,817,368,647.21 - Step 5: Solve for x
x = 19,785,817,368,647.21/5,228,038.18 - Step 6: Final answer
x = 3,784,558.70
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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.