Finding the Fourth Proportional to 3,417,415.05, 4,715,980.95 and 1,868,681.67
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Solution
The fourth proportional to 3,417,415.05, 4,715,980.95 and 1,868,681.67 is: 2,578,752.37
Step by Step Solution
- Step 1: Write the proportion equation
3,417,415.05 : 4,715,980.95 = 1,868,681.67 : x - Step 2: Convert to fraction form
3,417,415.05/4,715,980.95 = 1,868,681.67/x - Step 3: Cross multiply
3,417,415.05x = 4,715,980.95 × 1,868,681.67 - Step 4: Simplify right side
3,417,415.05x = 8,812,667,157,334.19 - Step 5: Solve for x
x = 8,812,667,157,334.19/3,417,415.05 - Step 6: Final answer
x = 2,578,752.37
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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.