Finding the Fourth Proportional to 4,771,726.66, 7,155,378.15 and 1,779,107.14
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Solution
The fourth proportional to 4,771,726.66, 7,155,378.15 and 1,779,107.14 is: 2,667,836.04
Step by Step Solution
- Step 1: Write the proportion equation
4,771,726.66 : 7,155,378.15 = 1,779,107.14 : x - Step 2: Convert to fraction form
4,771,726.66/7,155,378.15 = 1,779,107.14/x - Step 3: Cross multiply
4,771,726.66x = 7,155,378.15 × 1,779,107.14 - Step 4: Simplify right side
4,771,726.66x = 12,730,184,356,064.99 - Step 5: Solve for x
x = 12,730,184,356,064.99/4,771,726.66 - Step 6: Final answer
x = 2,667,836.04
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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.