Home / 2,130,985.40-2,941,460.66-1,696,200.28

Finding the Fourth Proportional to 2,130,985.40, 2,941,460.66 and 1,696,200.28

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Solution

The fourth proportional to 2,130,985.40, 2,941,460.66 and 1,696,200.28 is: 2,341,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,985.40 : 2,941,460.66 = 1,696,200.28 : x
  2. Step 2: Convert to fraction form
    2,130,985.40/2,941,460.66 = 1,696,200.28/x
  3. Step 3: Cross multiply
    2,130,985.40x = 2,941,460.66 × 1,696,200.28
  4. Step 4: Simplify right side
    2,130,985.40x = 4,989,306,391,987.83
  5. Step 5: Solve for x
    x = 4,989,306,391,987.83/2,130,985.40
  6. Step 6: Final answer
    x = 2,341,314.21

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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.