Home / 1,897,389.08-2,618,538.98-1,081,612.16

Finding the Fourth Proportional to 1,897,389.08, 2,618,538.98 and 1,081,612.16

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Solution

The fourth proportional to 1,897,389.08, 2,618,538.98 and 1,081,612.16 is: 1,492,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,389.08 : 2,618,538.98 = 1,081,612.16 : x
  2. Step 2: Convert to fraction form
    1,897,389.08/2,618,538.98 = 1,081,612.16/x
  3. Step 3: Cross multiply
    1,897,389.08x = 2,618,538.98 × 1,081,612.16
  4. Step 4: Simplify right side
    1,897,389.08x = 2,832,243,602,202.00
  5. Step 5: Solve for x
    x = 2,832,243,602,202.00/1,897,389.08
  6. Step 6: Final answer
    x = 1,492,705.76

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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.