Home / 2,153,417.01-2,971,848.20-1,186,547.15

Finding the Fourth Proportional to 2,153,417.01, 2,971,848.20 and 1,186,547.15

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Solution

The fourth proportional to 2,153,417.01, 2,971,848.20 and 1,186,547.15 is: 1,637,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,417.01 : 2,971,848.20 = 1,186,547.15 : x
  2. Step 2: Convert to fraction form
    2,153,417.01/2,971,848.20 = 1,186,547.15/x
  3. Step 3: Cross multiply
    2,153,417.01x = 2,971,848.20 × 1,186,547.15
  4. Step 4: Simplify right side
    2,153,417.01x = 3,526,238,011,942.63
  5. Step 5: Solve for x
    x = 3,526,238,011,942.63/2,153,417.01
  6. Step 6: Final answer
    x = 1,637,508.20

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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.