Home / 5,209,111.79-7,813,962.95-1,615,389.65

Finding the Fourth Proportional to 5,209,111.79, 7,813,962.95 and 1,615,389.65

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Solution

The fourth proportional to 5,209,111.79, 7,813,962.95 and 1,615,389.65 is: 2,423,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,111.79 : 7,813,962.95 = 1,615,389.65 : x
  2. Step 2: Convert to fraction form
    5,209,111.79/7,813,962.95 = 1,615,389.65/x
  3. Step 3: Cross multiply
    5,209,111.79x = 7,813,962.95 × 1,615,389.65
  4. Step 4: Simplify right side
    5,209,111.79x = 12,622,594,874,913.47
  5. Step 5: Solve for x
    x = 12,622,594,874,913.47/5,209,111.79
  6. Step 6: Final answer
    x = 2,423,176.04

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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.