Home / 3,120,420.45-4,681,068.08-1,226,721.45

Finding the Fourth Proportional to 3,120,420.45, 4,681,068.08 and 1,226,721.45

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Solution

The fourth proportional to 3,120,420.45, 4,681,068.08 and 1,226,721.45 is: 1,840,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,420.45 : 4,681,068.08 = 1,226,721.45 : x
  2. Step 2: Convert to fraction form
    3,120,420.45/4,681,068.08 = 1,226,721.45/x
  3. Step 3: Cross multiply
    3,120,420.45x = 4,681,068.08 × 1,226,721.45
  4. Step 4: Simplify right side
    3,120,420.45x = 5,742,366,616,512.71
  5. Step 5: Solve for x
    x = 5,742,366,616,512.71/3,120,420.45
  6. Step 6: Final answer
    x = 1,840,254.13

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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.