Home / 2,183,645.60-3,013,655.16-1,312,762.24

Finding the Fourth Proportional to 2,183,645.60, 3,013,655.16 and 1,312,762.24

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Solution

The fourth proportional to 2,183,645.60, 3,013,655.16 and 1,312,762.24 is: 1,811,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,645.60 : 3,013,655.16 = 1,312,762.24 : x
  2. Step 2: Convert to fraction form
    2,183,645.60/3,013,655.16 = 1,312,762.24/x
  3. Step 3: Cross multiply
    2,183,645.60x = 3,013,655.16 × 1,312,762.24
  4. Step 4: Simplify right side
    2,183,645.60x = 3,956,212,683,360.88
  5. Step 5: Solve for x
    x = 3,956,212,683,360.88/2,183,645.60
  6. Step 6: Final answer
    x = 1,811,746.69

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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.