Home / 2,128,238.03-2,937,030.89-1,161,430.74

Finding the Fourth Proportional to 2,128,238.03, 2,937,030.89 and 1,161,430.74

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Solution

The fourth proportional to 2,128,238.03, 2,937,030.89 and 1,161,430.74 is: 1,602,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,238.03 : 2,937,030.89 = 1,161,430.74 : x
  2. Step 2: Convert to fraction form
    2,128,238.03/2,937,030.89 = 1,161,430.74/x
  3. Step 3: Cross multiply
    2,128,238.03x = 2,937,030.89 × 1,161,430.74
  4. Step 4: Simplify right side
    2,128,238.03x = 3,411,157,954,168.41
  5. Step 5: Solve for x
    x = 3,411,157,954,168.41/2,128,238.03
  6. Step 6: Final answer
    x = 1,602,808.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.