Home / 3,124,312.77-4,311,876.32-1,799,782.18

Finding the Fourth Proportional to 3,124,312.77, 4,311,876.32 and 1,799,782.18

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Solution

The fourth proportional to 3,124,312.77, 4,311,876.32 and 1,799,782.18 is: 2,483,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,312.77 : 4,311,876.32 = 1,799,782.18 : x
  2. Step 2: Convert to fraction form
    3,124,312.77/4,311,876.32 = 1,799,782.18/x
  3. Step 3: Cross multiply
    3,124,312.77x = 4,311,876.32 × 1,799,782.18
  4. Step 4: Simplify right side
    3,124,312.77x = 7,760,438,163,099.98
  5. Step 5: Solve for x
    x = 7,760,438,163,099.98/3,124,312.77
  6. Step 6: Final answer
    x = 2,483,886.46

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Double scale
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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.