Home / 1,656,547.19-2,286,441.06-1,012,507.28

Finding the Fourth Proportional to 1,656,547.19, 2,286,441.06 and 1,012,507.28

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Solution

The fourth proportional to 1,656,547.19, 2,286,441.06 and 1,012,507.28 is: 1,397,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,547.19 : 2,286,441.06 = 1,012,507.28 : x
  2. Step 2: Convert to fraction form
    1,656,547.19/2,286,441.06 = 1,012,507.28/x
  3. Step 3: Cross multiply
    1,656,547.19x = 2,286,441.06 × 1,012,507.28
  4. Step 4: Simplify right side
    1,656,547.19x = 2,315,038,203,311.81
  5. Step 5: Solve for x
    x = 2,315,038,203,311.81/1,656,547.19
  6. Step 6: Final answer
    x = 1,397,508.16

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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.