Home / 1,953,802.40-2,927,160.50-1,911,287.12

Finding the Fourth Proportional to 1,953,802.40, 2,927,160.50 and 1,911,287.12

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Solution

The fourth proportional to 1,953,802.40, 2,927,160.50 and 1,911,287.12 is: 2,863,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,802.40 : 2,927,160.50 = 1,911,287.12 : x
  2. Step 2: Convert to fraction form
    1,953,802.40/2,927,160.50 = 1,911,287.12/x
  3. Step 3: Cross multiply
    1,953,802.40x = 2,927,160.50 × 1,911,287.12
  4. Step 4: Simplify right side
    1,953,802.40x = 5,594,644,137,630.52
  5. Step 5: Solve for x
    x = 5,594,644,137,630.52/1,953,802.40
  6. Step 6: Final answer
    x = 2,863,464.67

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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.