Home / 4,742,213.46-7,109,742.75-1,545,430.74

Finding the Fourth Proportional to 4,742,213.46, 7,109,742.75 and 1,545,430.74

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Solution

The fourth proportional to 4,742,213.46, 7,109,742.75 and 1,545,430.74 is: 2,316,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,213.46 : 7,109,742.75 = 1,545,430.74 : x
  2. Step 2: Convert to fraction form
    4,742,213.46/7,109,742.75 = 1,545,430.74/x
  3. Step 3: Cross multiply
    4,742,213.46x = 7,109,742.75 × 1,545,430.74
  4. Step 4: Simplify right side
    4,742,213.46x = 10,987,614,999,342.13
  5. Step 5: Solve for x
    x = 10,987,614,999,342.13/4,742,213.46
  6. Step 6: Final answer
    x = 2,316,980.27

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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.