Home / 1,909,787.20-2,864,681.54-470,498.60

Finding the Fourth Proportional to 1,909,787.20, 2,864,681.54 and 470,498.60

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Solution

The fourth proportional to 1,909,787.20, 2,864,681.54 and 470,498.60 is: 705,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,787.20 : 2,864,681.54 = 470,498.60 : x
  2. Step 2: Convert to fraction form
    1,909,787.20/2,864,681.54 = 470,498.60/x
  3. Step 3: Cross multiply
    1,909,787.20x = 2,864,681.54 × 470,498.60
  4. Step 4: Simplify right side
    1,909,787.20x = 1,347,828,654,015.84
  5. Step 5: Solve for x
    x = 1,347,828,654,015.84/1,909,787.20
  6. Step 6: Final answer
    x = 705,748.08

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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.