Home / 1,913,091.40-2,640,082.98-1,053,681.40

Finding the Fourth Proportional to 1,913,091.40, 2,640,082.98 and 1,053,681.40

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Solution

The fourth proportional to 1,913,091.40, 2,640,082.98 and 1,053,681.40 is: 1,454,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,091.40 : 2,640,082.98 = 1,053,681.40 : x
  2. Step 2: Convert to fraction form
    1,913,091.40/2,640,082.98 = 1,053,681.40/x
  3. Step 3: Cross multiply
    1,913,091.40x = 2,640,082.98 × 1,053,681.40
  4. Step 4: Simplify right side
    1,913,091.40x = 2,781,806,330,482.57
  5. Step 5: Solve for x
    x = 2,781,806,330,482.57/1,913,091.40
  6. Step 6: Final answer
    x = 1,454,089.61

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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.