Home / 3,128,624.50-4,317,501.81-1,697,840.50

Finding the Fourth Proportional to 3,128,624.50, 4,317,501.81 and 1,697,840.50

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Solution

The fourth proportional to 3,128,624.50, 4,317,501.81 and 1,697,840.50 is: 2,343,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,624.50 : 4,317,501.81 = 1,697,840.50 : x
  2. Step 2: Convert to fraction form
    3,128,624.50/4,317,501.81 = 1,697,840.50/x
  3. Step 3: Cross multiply
    3,128,624.50x = 4,317,501.81 × 1,697,840.50
  4. Step 4: Simplify right side
    3,128,624.50x = 7,330,429,431,841.31
  5. Step 5: Solve for x
    x = 7,330,429,431,841.31/3,128,624.50
  6. Step 6: Final answer
    x = 2,343,019.89

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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.