Home / 3,987,303.93-5,980,666.59-1,558,000.40

Finding the Fourth Proportional to 3,987,303.93, 5,980,666.59 and 1,558,000.40

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Solution

The fourth proportional to 3,987,303.93, 5,980,666.59 and 1,558,000.40 is: 2,336,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,303.93 : 5,980,666.59 = 1,558,000.40 : x
  2. Step 2: Convert to fraction form
    3,987,303.93/5,980,666.59 = 1,558,000.40/x
  3. Step 3: Cross multiply
    3,987,303.93x = 5,980,666.59 × 1,558,000.40
  4. Step 4: Simplify right side
    3,987,303.93x = 9,317,880,909,583.30
  5. Step 5: Solve for x
    x = 9,317,880,909,583.30/3,987,303.93
  6. Step 6: Final answer
    x = 2,336,887.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.