Home / 3,956,148.80-5,459,488.32-2,145,312.32

Finding the Fourth Proportional to 3,956,148.80, 5,459,488.32 and 2,145,312.32

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Solution

The fourth proportional to 3,956,148.80, 5,459,488.32 and 2,145,312.32 is: 2,960,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,148.80 : 5,459,488.32 = 2,145,312.32 : x
  2. Step 2: Convert to fraction form
    3,956,148.80/5,459,488.32 = 2,145,312.32/x
  3. Step 3: Cross multiply
    3,956,148.80x = 5,459,488.32 × 2,145,312.32
  4. Step 4: Simplify right side
    3,956,148.80x = 11,712,307,553,792.10
  5. Step 5: Solve for x
    x = 11,712,307,553,792.10/3,956,148.80
  6. Step 6: Final answer
    x = 2,960,532.62

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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.