Home / 4,742,869.63-7,114,280.65-1,148,636.48

Finding the Fourth Proportional to 4,742,869.63, 7,114,280.65 and 1,148,636.48

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Solution

The fourth proportional to 4,742,869.63, 7,114,280.65 and 1,148,636.48 is: 1,722,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,869.63 : 7,114,280.65 = 1,148,636.48 : x
  2. Step 2: Convert to fraction form
    4,742,869.63/7,114,280.65 = 1,148,636.48/x
  3. Step 3: Cross multiply
    4,742,869.63x = 7,114,280.65 × 1,148,636.48
  4. Step 4: Simplify right side
    4,742,869.63x = 8,171,722,245,105.12
  5. Step 5: Solve for x
    x = 8,171,722,245,105.12/4,742,869.63
  6. Step 6: Final answer
    x = 1,722,948.95

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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.