Home / 1,870,440.64-2,581,206.53-1,011,000.89

Finding the Fourth Proportional to 1,870,440.64, 2,581,206.53 and 1,011,000.89

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Solution

The fourth proportional to 1,870,440.64, 2,581,206.53 and 1,011,000.89 is: 1,395,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,440.64 : 2,581,206.53 = 1,011,000.89 : x
  2. Step 2: Convert to fraction form
    1,870,440.64/2,581,206.53 = 1,011,000.89/x
  3. Step 3: Cross multiply
    1,870,440.64x = 2,581,206.53 × 1,011,000.89
  4. Step 4: Simplify right side
    1,870,440.64x = 2,609,602,099,103.81
  5. Step 5: Solve for x
    x = 2,609,602,099,103.81/1,870,440.64
  6. Step 6: Final answer
    x = 1,395,180.39

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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.