Home / 5,209,111.54-7,813,962.57-1,615,389.40

Finding the Fourth Proportional to 5,209,111.54, 7,813,962.57 and 1,615,389.40

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Solution

The fourth proportional to 5,209,111.54, 7,813,962.57 and 1,615,389.40 is: 2,423,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,111.54 : 7,813,962.57 = 1,615,389.40 : x
  2. Step 2: Convert to fraction form
    5,209,111.54/7,813,962.57 = 1,615,389.40/x
  3. Step 3: Cross multiply
    5,209,111.54x = 7,813,962.57 × 1,615,389.40
  4. Step 4: Simplify right side
    5,209,111.54x = 12,622,592,307,574.76
  5. Step 5: Solve for x
    x = 12,622,592,307,574.76/5,209,111.54
  6. Step 6: Final answer
    x = 2,423,175.66

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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.