Home / 1,999,329.60-2,995,365.60-1,155,374.40

Finding the Fourth Proportional to 1,999,329.60, 2,995,365.60 and 1,155,374.40

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Solution

The fourth proportional to 1,999,329.60, 2,995,365.60 and 1,155,374.40 is: 1,730,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,329.60 : 2,995,365.60 = 1,155,374.40 : x
  2. Step 2: Convert to fraction form
    1,999,329.60/2,995,365.60 = 1,155,374.40/x
  3. Step 3: Cross multiply
    1,999,329.60x = 2,995,365.60 × 1,155,374.40
  4. Step 4: Simplify right side
    1,999,329.60x = 3,460,768,732,880.64
  5. Step 5: Solve for x
    x = 3,460,768,732,880.64/1,999,329.60
  6. Step 6: Final answer
    x = 1,730,964.59

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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.