Home / 1,692,192.56-2,333,905.80-1,047,970.40

Finding the Fourth Proportional to 1,692,192.56, 2,333,905.80 and 1,047,970.40

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Solution

The fourth proportional to 1,692,192.56, 2,333,905.80 and 1,047,970.40 is: 1,445,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,192.56 : 2,333,905.80 = 1,047,970.40 : x
  2. Step 2: Convert to fraction form
    1,692,192.56/2,333,905.80 = 1,047,970.40/x
  3. Step 3: Cross multiply
    1,692,192.56x = 2,333,905.80 × 1,047,970.40
  4. Step 4: Simplify right side
    1,692,192.56x = 2,445,864,194,788.32
  5. Step 5: Solve for x
    x = 2,445,864,194,788.32/1,692,192.56
  6. Step 6: Final answer
    x = 1,445,381.72

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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.