Home / 5,742,498.40-7,925,000.80-3,164,178.50

Finding the Fourth Proportional to 5,742,498.40, 7,925,000.80 and 3,164,178.50

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Solution

The fourth proportional to 5,742,498.40, 7,925,000.80 and 3,164,178.50 is: 4,366,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742,498.40 : 7,925,000.80 = 3,164,178.50 : x
  2. Step 2: Convert to fraction form
    5,742,498.40/7,925,000.80 = 3,164,178.50/x
  3. Step 3: Cross multiply
    5,742,498.40x = 7,925,000.80 × 3,164,178.50
  4. Step 4: Simplify right side
    5,742,498.40x = 25,076,117,143,842.80
  5. Step 5: Solve for x
    x = 25,076,117,143,842.80/5,742,498.40
  6. Step 6: Final answer
    x = 4,366,760.84

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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.