Home / 1,927,681.20-2,888,022.60-1,570,762.80

Finding the Fourth Proportional to 1,927,681.20, 2,888,022.60 and 1,570,762.80

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Solution

The fourth proportional to 1,927,681.20, 2,888,022.60 and 1,570,762.80 is: 2,353,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,681.20 : 2,888,022.60 = 1,570,762.80 : x
  2. Step 2: Convert to fraction form
    1,927,681.20/2,888,022.60 = 1,570,762.80/x
  3. Step 3: Cross multiply
    1,927,681.20x = 2,888,022.60 × 1,570,762.80
  4. Step 4: Simplify right side
    1,927,681.20x = 4,536,398,465,639.28
  5. Step 5: Solve for x
    x = 4,536,398,465,639.28/1,927,681.20
  6. Step 6: Final answer
    x = 2,353,292.89

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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.