Home / 1,892,870.40-2,612,147.67-1,033,430.65

Finding the Fourth Proportional to 1,892,870.40, 2,612,147.67 and 1,033,430.65

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Solution

The fourth proportional to 1,892,870.40, 2,612,147.67 and 1,033,430.65 is: 1,426,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,870.40 : 2,612,147.67 = 1,033,430.65 : x
  2. Step 2: Convert to fraction form
    1,892,870.40/2,612,147.67 = 1,033,430.65/x
  3. Step 3: Cross multiply
    1,892,870.40x = 2,612,147.67 × 1,033,430.65
  4. Step 4: Simplify right side
    1,892,870.40x = 2,699,473,477,026.78
  5. Step 5: Solve for x
    x = 2,699,473,477,026.78/1,892,870.40
  6. Step 6: Final answer
    x = 1,426,126.95

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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.